1002990475 has 12 divisors (see below), whose sum is σ = 1244101176. Its totient is φ = 802138880.

The previous prime is 1002990473. The next prime is 1002990479. The reversal of 1002990475 is 5740992001.

It is not a de Polignac number, because 1002990475 - 2¹ = 1002990473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002990473) 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 11 ways as a sum of consecutive naturals, for example, 149544 + ... + 156106.

It is an arithmetic number, because the mean of its divisors is an integer number (103675098).

Almost surely, 2^1002990475 is an apocalyptic number.

1002990475 is a deficient number, since it is larger than the sum of its proper divisors (241110701).

1002990475 is an equidigital number, since it uses as much as digits as its factorization.

1002990475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686 (or 12681 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1002990475 is about 31670.0248657938. The cubic root of 1002990475 is about 1000.9958329875.

The spelling of 1002990475 in words is "one billion, two million, nine hundred ninety thousand, four hundred seventy-five".