156968125 has 10 divisors (see below), whose sum is σ = 196148150. Its totient is φ = 125574000.

The previous prime is 156968117. The next prime is 156968137. The reversal of 156968125 is 521869651.

It can be written as a sum of positive squares in 5 ways, for example, as 31483321 + 125484804 = 5611^2 + 11202^2 .

It is not a de Polignac number, because 156968125 - 2³ = 156968117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124950 + ... + 126199.

It is an arithmetic number, because the mean of its divisors is an integer number (19614815).

Almost surely, 2^156968125 is an apocalyptic number.

It is an amenable number.

156968125 is a deficient number, since it is larger than the sum of its proper divisors (39180025).

156968125 is an frugal number, since it uses more digits than its factorization.

156968125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251169 (or 251154 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 156968125 is about 12528.6920706034. The cubic root of 156968125 is about 539.4325600847.

The spelling of 156968125 in words is "one hundred fifty-six million, nine hundred sixty-eight thousand, one hundred twenty-five".