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122051071 = 432838397
BaseRepresentation
bin1110100011001…
…01100111111111
322111122211121001
413101211213333
5222221113241
620035551131
73011263012
oct721454777
9274584531
10122051071
116299285a
1234a5b4a7
131c39468c
14122d1379
15aaad431
hex74659ff

122051071 has 4 divisors (see below), whose sum is σ = 124889512. Its totient is φ = 119212632.

The previous prime is 122051047. The next prime is 122051089. The reversal of 122051071 is 170150221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170150221 = 295867249.

It is a cyclic number.

It is not a de Polignac number, because 122051071 - 29 = 122050559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122051971) 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, 1419156 + ... + 1419241.

It is an arithmetic number, because the mean of its divisors is an integer number (31222378).

Almost surely, 2122051071 is an apocalyptic number.

122051071 is a deficient number, since it is larger than the sum of its proper divisors (2838441).

122051071 is an equidigital number, since it uses as much as digits as its factorization.

122051071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838440.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 122051071 is about 11047.6726508347. The cubic root of 122051071 is about 496.0367631765.

The spelling of 122051071 in words is "one hundred twenty-two million, fifty-one thousand, seventy-one".

Divisors: 1 43 2838397 122051071