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122944083 = 340981361
BaseRepresentation
bin1110101001111…
…11101001010011
322120100012120120
413110333221103
5222433202313
620111041323
73022002363
oct724775123
9276305516
10122944083
1163442789
1235210243
131c617ca2
14124849a3
15abd7d23
hex753fa53

122944083 has 4 divisors (see below), whose sum is σ = 163925448. Its totient is φ = 81962720.

The previous prime is 122944061. The next prime is 122944091. The reversal of 122944083 is 380449221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380449221 = 3126816407.

It is a cyclic number.

It is not a de Polignac number, because 122944083 - 28 = 122943827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122944013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20490678 + ... + 20490683.

It is an arithmetic number, because the mean of its divisors is an integer number (40981362).

Almost surely, 2122944083 is an apocalyptic number.

122944083 is a deficient number, since it is larger than the sum of its proper divisors (40981365).

122944083 is an equidigital number, since it uses as much as digits as its factorization.

122944083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40981364.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 122944083 is about 11088.0152867860. The cubic root of 122944083 is about 497.2436098833.

The spelling of 122944083 in words is "one hundred twenty-two million, nine hundred forty-four thousand, eighty-three".

Divisors: 1 3 40981361 122944083