971272554 has 32 divisors (see below), whose sum is σ = 2221019520. Its totient is φ = 277385472.

The previous prime is 971272537. The next prime is 971272559. The reversal of 971272554 is 455272179.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (971272559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144942 + ... + 151494.

It is an arithmetic number, because the mean of its divisors is an integer number (69406860).

Almost surely, 2^971272554 is an apocalyptic number.

971272554 is an abundant number, since it is smaller than the sum of its proper divisors (1249746966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971272554 is a wasteful number, since it uses less digits than its factorization.

971272554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10094.

The product of its digits is 176400, while the sum is 42.

The square root of 971272554 is about 31165.2459319672. The cubic root of 971272554 is about 990.3309963523.

It can be divided in two parts, 97127 and 2554, that added together give a triangular number (99681 = T₄₄₆).

The spelling of 971272554 in words is "nine hundred seventy-one million, two hundred seventy-two thousand, five hundred fifty-four".