125045272 has 48 divisors (see below), whose sum is σ = 260467200. Its totient is φ = 56232000.

The previous prime is 125045269. The next prime is 125045299. The reversal of 125045272 is 272540521.

It is a self number, because there is not a number n which added to its sum of digits gives 125045272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97129 + ... + 98407.

It is an arithmetic number, because the mean of its divisors is an integer number (5426400).

Almost surely, 2^125045272 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 125045272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130233600).

125045272 is an abundant number, since it is smaller than the sum of its proper divisors (135421928).

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

125045272 is a wasteful number, since it uses less digits than its factorization.

125045272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 125045272 is about 11182.3643296040. The cubic root of 125045272 is about 500.0603553808.

Adding to 125045272 its reverse (272540521), we get a palindrome (397585793).

The spelling of 125045272 in words is "one hundred twenty-five million, forty-five thousand, two hundred seventy-two".