125071004102 has 24 divisors (see below), whose sum is σ = 207067858536. Its totient is φ = 56614536000.

The previous prime is 125071004077. The next prime is 125071004111. The reversal of 125071004102 is 201400170521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1013924 + ... + 1130567.

It is an arithmetic number, because the mean of its divisors is an integer number (8627827439).

Almost surely, 2^125071004102 is an apocalyptic number.

125071004102 is a deficient number, since it is larger than the sum of its proper divisors (81996854434).

125071004102 is a wasteful number, since it uses less digits than its factorization.

125071004102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144756 (or 2144745 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 125071004102 its reverse (201400170521), we get a palindrome (326471174623).

The spelling of 125071004102 in words is "one hundred twenty-five billion, seventy-one million, four thousand, one hundred two".