972148007 has 4 divisors (see below), whose sum is σ = 995858976. Its totient is φ = 948437040.

The previous prime is 972147983. The next prime is 972148019. The reversal of 972148007 is 700841279.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 972148007 - 2²⁰ = 971099431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972148087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11855423 + ... + 11855504.

It is an arithmetic number, because the mean of its divisors is an integer number (248964744).

Almost surely, 2^972148007 is an apocalyptic number.

972148007 is a deficient number, since it is larger than the sum of its proper divisors (23710969).

972148007 is a wasteful number, since it uses less digits than its factorization.

972148007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23710968.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 972148007 is about 31179.2881092561. The cubic root of 972148007 is about 990.6284507531.

The spelling of 972148007 in words is "nine hundred seventy-two million, one hundred forty-eight thousand, seven".