122156051125 has 16 divisors (see below), whose sum is σ = 157707678960. Its totient is φ = 94355016000.

The previous prime is 122156051119. The next prime is 122156051159. The reversal of 122156051125 is 521150651221.

It can be written as a sum of positive squares in 8 ways, for example, as 4968276196 + 117187774929 = 70486^2 + 342327^2 .

It is not a de Polignac number, because 122156051125 - 2¹³ = 122156042933 is a prime.

It is a super-2 number, since 2×122156051125² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16845486 + ... + 16852735.

It is an arithmetic number, because the mean of its divisors is an integer number (9856729935).

Almost surely, 2^122156051125 is an apocalyptic number.

It is an amenable number.

122156051125 is a deficient number, since it is larger than the sum of its proper divisors (35551627835).

122156051125 is an equidigital number, since it uses as much as digits as its factorization.

122156051125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33698265 (or 33698255 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 122156051125 in words is "one hundred twenty-two billion, one hundred fifty-six million, fifty-one thousand, one hundred twenty-five".