125531374 has 4 divisors (see below), whose sum is σ = 188297064. Its totient is φ = 62765686.

The previous prime is 125531339. The next prime is 125531377. The reversal of 125531374 is 473135521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125531377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31382842 + ... + 31382845.

It is an arithmetic number, because the mean of its divisors is an integer number (47074266).

Almost surely, 2^125531374 is an apocalyptic number.

125531374 is a deficient number, since it is larger than the sum of its proper divisors (62765690).

125531374 is an equidigital number, since it uses as much as digits as its factorization.

125531374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62765689.

The product of its digits is 12600, while the sum is 31.

The square root of 125531374 is about 11204.0784538488. The cubic root of 125531374 is about 500.7074970902.

Adding to 125531374 its reverse (473135521), we get a palindrome (598666895).

The spelling of 125531374 in words is "one hundred twenty-five million, five hundred thirty-one thousand, three hundred seventy-four".