125651622 has 16 divisors (see below), whose sum is σ = 262229760. Its totient is φ = 40062792.

The previous prime is 125651609. The next prime is 125651623. The reversal of 125651622 is 226156521.

It is a super-2 number, since 2×125651622² = 31576660222461768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125651622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125651623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455122 + ... + 455397.

It is an arithmetic number, because the mean of its divisors is an integer number (16389360).

Almost surely, 2^125651622 is an apocalyptic number.

125651622 is an abundant number, since it is smaller than the sum of its proper divisors (136578138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125651622 is a wasteful number, since it uses less digits than its factorization.

125651622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910547.

The product of its digits is 7200, while the sum is 30.

The square root of 125651622 is about 11209.4434295374. The cubic root of 125651622 is about 500.8673239617.

The spelling of 125651622 in words is "one hundred twenty-five million, six hundred fifty-one thousand, six hundred twenty-two".