125142272 has 36 divisors (see below), whose sum is σ = 251412000. Its totient is φ = 62166528.

The previous prime is 125142263. The next prime is 125142299. The reversal of 125142272 is 272241521.

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 3 ways as a sum of consecutive naturals, for example, 40229 + ... + 43227.

Almost surely, 2^125142272 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 125142272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125706000).

125142272 is an abundant number, since it is smaller than the sum of its proper divisors (126269728).

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

125142272 is an equidigital number, since it uses as much as digits as its factorization.

125142272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178 (or 3164 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 125142272 is about 11186.7006753555. The cubic root of 125142272 is about 500.1896240763.

Adding to 125142272 its reverse (272241521), we get a palindrome (397383793).

The spelling of 125142272 in words is "one hundred twenty-five million, one hundred forty-two thousand, two hundred seventy-two".