125565654 has 8 divisors (see below), whose sum is σ = 251131320. Its totient is φ = 41855216.

The previous prime is 125565653. The next prime is 125565659. The reversal of 125565654 is 456565521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

125565654 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125565653) 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, 10463799 + ... + 10463810.

It is an arithmetic number, because the mean of its divisors is an integer number (31391415).

Almost surely, 2^125565654 is an apocalyptic number.

125565654 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125565654 is a wasteful number, since it uses less digits than its factorization.

125565654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20927614.

The product of its digits is 180000, while the sum is 39.

The square root of 125565654 is about 11205.6081494937. The cubic root of 125565654 is about 500.7530705334.

The spelling of 125565654 in words is "one hundred twenty-five million, five hundred sixty-five thousand, six hundred fifty-four".