125136104 has 8 divisors (see below), whose sum is σ = 234630210. Its totient is φ = 62568048.

The previous prime is 125136103. The next prime is 125136107. The reversal of 125136104 is 401631521.

It can be written as a sum of positive squares in only one way, i.e., 124322500 + 813604 = 11150^2 + 902^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 125136104.

It is not an unprimeable number, because it can be changed into a prime (125136103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7820999 + ... + 7821014.

Almost surely, 2^125136104 is an apocalyptic number.

It is an amenable number.

125136104 is a deficient number, since it is larger than the sum of its proper divisors (109494106).

125136104 is a wasteful number, since it uses less digits than its factorization.

125136104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642019 (or 15642015 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 125136104 is about 11186.4249874569. The cubic root of 125136104 is about 500.1814061756.

Adding to 125136104 its reverse (401631521), we get a palindrome (526767625).

The spelling of 125136104 in words is "one hundred twenty-five million, one hundred thirty-six thousand, one hundred four".