1002471972 has 24 divisors (see below), whose sum is σ = 2350192992. Its totient is φ = 332572800.

The previous prime is 1002471961. The next prime is 1002471983. The reversal of 1002471972 is 2791742001.

It is an interprime number because it is at equal distance from previous prime (1002471961) and next prime (1002471983).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195429 + ... + 200492.

It is an arithmetic number, because the mean of its divisors is an integer number (97924708).

Almost surely, 2^1002471972 is an apocalyptic number.

1002471972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002471972 is an abundant number, since it is smaller than the sum of its proper divisors (1347721020).

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

1002471972 is a wasteful number, since it uses less digits than its factorization.

1002471972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396139 (or 396137 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 1002471972 is about 31661.8377862057. The cubic root of 1002471972 is about 1000.8233126369.

The spelling of 1002471972 in words is "one billion, two million, four hundred seventy-one thousand, nine hundred seventy-two".