125401264 has 40 divisors (see below), whose sum is σ = 250698240. Its totient is φ = 60733248.

The previous prime is 125401261. The next prime is 125401271. The reversal of 125401264 is 462104521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125401261) 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, 76647 + ... + 78265.

It is an arithmetic number, because the mean of its divisors is an integer number (6267456).

Almost surely, 2^125401264 is an apocalyptic number.

It is an amenable number.

125401264 is a deficient number, since it is larger than the sum of its proper divisors (125296976).

125401264 is a wasteful number, since it uses less digits than its factorization.

125401264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 125401264 is about 11198.2705807638. The cubic root of 125401264 is about 500.5344471955.

Adding to 125401264 its reverse (462104521), we get a palindrome (587505785).

The spelling of 125401264 in words is "one hundred twenty-five million, four hundred one thousand, two hundred sixty-four".