972951081 has 16 divisors (see below), whose sum is σ = 1327837056. Its totient is φ = 633522816.

The previous prime is 972951061. The next prime is 972951097. The reversal of 972951081 is 180159279.

It is not a de Polignac number, because 972951081 - 2⁹ = 972950569 is a prime.

It is a super-2 number, since 2×972951081² = 1893267612038137122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (972951061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991 + ... + 44123.

It is an arithmetic number, because the mean of its divisors is an integer number (82989816).

Almost surely, 2^972951081 is an apocalyptic number.

It is an amenable number.

972951081 is a deficient number, since it is larger than the sum of its proper divisors (354885975).

972951081 is a wasteful number, since it uses less digits than its factorization.

972951081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43312.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 972951081 is about 31192.1637755382. The cubic root of 972951081 is about 990.9011557954.

The spelling of 972951081 in words is "nine hundred seventy-two million, nine hundred fifty-one thousand, eighty-one".