125140156 has 12 divisors (see below), whose sum is σ = 230521480. Its totient is φ = 59276880.

The previous prime is 125140129. The next prime is 125140163. The reversal of 125140156 is 651041521.

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 125140156.

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, 823215 + ... + 823366.

Almost surely, 2^125140156 is an apocalyptic number.

It is an amenable number.

125140156 is a deficient number, since it is larger than the sum of its proper divisors (105381324).

125140156 is a wasteful number, since it uses less digits than its factorization.

125140156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646604 (or 1646602 counting only the distinct ones).

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

The square root of 125140156 is about 11186.6060983660. The cubic root of 125140156 is about 500.1868048659.

Adding to 125140156 its reverse (651041521), we get a palindrome (776181677).

The spelling of 125140156 in words is "one hundred twenty-five million, one hundred forty thousand, one hundred fifty-six".