972157114 has 8 divisors (see below), whose sum is σ = 1459381428. Its totient is φ = 485696640.

The previous prime is 972157103. The next prime is 972157139. The reversal of 972157114 is 411751279.

It can be written as a sum of positive squares in 2 ways, for example, as 950673889 + 21483225 = 30833^2 + 4635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 187767 + ... + 192874.

Almost surely, 2^972157114 is an apocalyptic number.

972157114 is a deficient number, since it is larger than the sum of its proper divisors (487224314).

972157114 is a wasteful number, since it uses less digits than its factorization.

972157114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381920.

The product of its digits is 17640, while the sum is 37.

The square root of 972157114 is about 31179.4341513761. The cubic root of 972157114 is about 990.6315441178.

It can be divided in two parts, 97215 and 7114, that added together give a square (104329 = 323²).

The spelling of 972157114 in words is "nine hundred seventy-two million, one hundred fifty-seven thousand, one hundred fourteen".