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122083669 = 1049116381
BaseRepresentation
bin1110100011011…
…01100101010101
322111201111022101
413101231211111
5222223134134
620040402101
73011460031
oct721554525
9274644271
10122083669
1162a052a4
1234a76331
131c3a6476
14122dd1c1
15aab7e14
hex746d955

122083669 has 4 divisors (see below), whose sum is σ = 122201100. Its totient is φ = 121966240.

The previous prime is 122083627. The next prime is 122083711. The reversal of 122083669 is 966380221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966380221 = 1019568121.

It is an interprime number because it is at equal distance from previous prime (122083627) and next prime (122083711).

It can be written as a sum of positive squares in 2 ways, for example, as 117983044 + 4100625 = 10862^2 + 2025^2 .

It is a cyclic number.

It is not a de Polignac number, because 122083669 - 225 = 88529237 is a prime.

It is a super-2 number, since 2×1220836692 = 29808844473003122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122083369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57142 + ... + 59239.

It is an arithmetic number, because the mean of its divisors is an integer number (30550275).

Almost surely, 2122083669 is an apocalyptic number.

It is an amenable number.

122083669 is a deficient number, since it is larger than the sum of its proper divisors (117431).

122083669 is a wasteful number, since it uses less digits than its factorization.

122083669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117430.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 122083669 is about 11049.1478856969. The cubic root of 122083669 is about 496.0809205578.

The spelling of 122083669 in words is "one hundred twenty-two million, eighty-three thousand, six hundred sixty-nine".

Divisors: 1 1049 116381 122083669