972141550 has 12 divisors (see below), whose sum is σ = 1808183376. Its totient is φ = 388856600.

The previous prime is 972141523. The next prime is 972141553. The reversal of 972141550 is 55141279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972141553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9721366 + ... + 9721465.

It is an arithmetic number, because the mean of its divisors is an integer number (150681948).

Almost surely, 2^972141550 is an apocalyptic number.

972141550 is a deficient number, since it is larger than the sum of its proper divisors (836041826).

972141550 is a wasteful number, since it uses less digits than its factorization.

972141550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19442843 (or 19442838 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 972141550 is about 31179.1845627816. The cubic root of 972141550 is about 990.6262574992.

The spelling of 972141550 in words is "nine hundred seventy-two million, one hundred forty-one thousand, five hundred fifty".