1388876125 has 32 divisors (see below), whose sum is σ = 2133331200. Its totient is φ = 879105600.

The previous prime is 1388876089. The next prime is 1388876129. The reversal of 1388876125 is 5216788831.

It is not a de Polignac number, because 1388876125 - 2⁹ = 1388875613 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388876129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49675 + ... + 72424.

It is an arithmetic number, because the mean of its divisors is an integer number (66666600).

Almost surely, 2^1388876125 is an apocalyptic number.

It is an amenable number.

1388876125 is a deficient number, since it is larger than the sum of its proper divisors (744455075).

1388876125 is a wasteful number, since it uses less digits than its factorization.

1388876125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122134 (or 122124 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The square root of 1388876125 is about 37267.6283790638. The cubic root of 1388876125 is about 1115.7181656327.

The spelling of 1388876125 in words is "one billion, three hundred eighty-eight million, eight hundred seventy-six thousand, one hundred twenty-five".