125666296 has 64 divisors (see below), whose sum is σ = 287654400. Its totient is φ = 50295168.

The previous prime is 125666287. The next prime is 125666341. The reversal of 125666296 is 692666521.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54250 + ... + 56518.

It is an arithmetic number, because the mean of its divisors is an integer number (4494600).

Almost surely, 2^125666296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125666296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143827200).

125666296 is an abundant number, since it is smaller than the sum of its proper divisors (161988104).

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

125666296 is a wasteful number, since it uses less digits than its factorization.

125666296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348 (or 2344 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 125666296 is about 11210.0979478326. The cubic root of 125666296 is about 500.8868208344.

The spelling of 125666296 in words is "one hundred twenty-five million, six hundred sixty-six thousand, two hundred ninety-six".