122896520356 has 27 divisors (see below), whose sum is σ = 224855795073. Its totient is φ = 58768884240.

The previous prime is 122896520303. The next prime is 122896520371. The reversal of 122896520356 is 653025698221.

The square root of 122896520356 is 350566.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 108811577956 + 14084942400 = 329866^2 + 118680^2 .

It is a super-2 number, since 2×122896520356² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16122226 + ... + 16129846.

Almost surely, 2^122896520356 is an apocalyptic number.

122896520356 is the 350566-th square number.

It is an amenable number.

122896520356 is a deficient number, since it is larger than the sum of its proper divisors (101959274717).

122896520356 is an frugal number, since it uses more digits than its factorization.

122896520356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15292 (or 7646 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

Multiplying 122896520356 by its sum of digits (49), we get a square (6021929497444 = 2453962²).

The spelling of 122896520356 in words is "one hundred twenty-two billion, eight hundred ninety-six million, five hundred twenty thousand, three hundred fifty-six".