125104156 has 12 divisors (see below), whose sum is σ = 231810768. Its totient is φ = 58872512.

The previous prime is 125104121. The next prime is 125104171. The reversal of 125104156 is 651401521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 125104156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919816 + ... + 919951.

It is an arithmetic number, because the mean of its divisors is an integer number (19317564).

Almost surely, 2^125104156 is an apocalyptic number.

It is an amenable number.

125104156 is a deficient number, since it is larger than the sum of its proper divisors (106706612).

125104156 is a wasteful number, since it uses less digits than its factorization.

125104156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839788 (or 1839786 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 125104156 is about 11184.9969155114. The cubic root of 125104156 is about 500.1388361122.

Adding to 125104156 its reverse (651401521), we get a palindrome (776505677).

The spelling of 125104156 in words is "one hundred twenty-five million, one hundred four thousand, one hundred fifty-six".