122251725 has 18 divisors (see below), whose sum is σ = 218966826. Its totient is φ = 65200800.

The previous prime is 122251711. The next prime is 122251729. The reversal of 122251725 is 527152221.

122251725 is a `hidden beast` number, since 122 + 2 + 517 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2414916 + 119836809 = 1554^2 + 10947^2 .

It is not a de Polignac number, because 122251725 - 2⁸ = 122251469 is a prime.

It is a super-3 number, since 3×122251725³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122251729) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 271446 + ... + 271895.

Almost surely, 2^122251725 is an apocalyptic number.

122251725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122251725 is a deficient number, since it is larger than the sum of its proper divisors (96715101).

122251725 is a wasteful number, since it uses less digits than its factorization.

122251725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543357 (or 543349 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 122251725 is about 11056.7502006693. The cubic root of 122251725 is about 496.3084452564.

The spelling of 122251725 in words is "one hundred twenty-two million, two hundred fifty-one thousand, seven hundred twenty-five".