125802564 has 12 divisors (see below), whose sum is σ = 293539344. Its totient is φ = 41934184.

The previous prime is 125802541. The next prime is 125802569. The reversal of 125802564 is 465208521.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (125802569) 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, 5241762 + ... + 5241785.

It is an arithmetic number, because the mean of its divisors is an integer number (24461612).

Almost surely, 2^125802564 is an apocalyptic number.

It is an amenable number.

125802564 is an abundant number, since it is smaller than the sum of its proper divisors (167736780).

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

125802564 is a wasteful number, since it uses less digits than its factorization.

125802564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483554 (or 10483552 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 125802564 is about 11216.1742140536. The cubic root of 125802564 is about 501.0678033022.

The spelling of 125802564 in words is "one hundred twenty-five million, eight hundred two thousand, five hundred sixty-four".