125129748 has 12 divisors (see below), whose sum is σ = 291969440. Its totient is φ = 41709912.

The previous prime is 125129731. The next prime is 125129749. The reversal of 125129748 is 847921521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125129749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5213728 + ... + 5213751.

Almost surely, 2^125129748 is an apocalyptic number.

It is an amenable number.

125129748 is an abundant number, since it is smaller than the sum of its proper divisors (166839692).

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

125129748 is a wasteful number, since it uses less digits than its factorization.

125129748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10427486 (or 10427484 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 125129748 is about 11186.1408895114. The cubic root of 125129748 is about 500.1729375117.

The spelling of 125129748 in words is "one hundred twenty-five million, one hundred twenty-nine thousand, seven hundred forty-eight".