125138874 has 16 divisors (see below), whose sum is σ = 286031808. Its totient is φ = 35753952.

The previous prime is 125138873. The next prime is 125138879. The reversal of 125138874 is 478831521.

It is not an unprimeable number, because it can be changed into a prime (125138873) 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 in 7 ways as a sum of consecutive naturals, for example, 1489707 + ... + 1489790.

It is an arithmetic number, because the mean of its divisors is an integer number (17876988).

Almost surely, 2^125138874 is an apocalyptic number.

125138874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125138874 is an abundant number, since it is smaller than the sum of its proper divisors (160892934).

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

125138874 is a wasteful number, since it uses less digits than its factorization.

125138874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979509.

The product of its digits is 53760, while the sum is 39.

The square root of 125138874 is about 11186.5487975515. The cubic root of 125138874 is about 500.1850968032.

The spelling of 125138874 in words is "one hundred twenty-five million, one hundred thirty-eight thousand, eight hundred seventy-four".