1002149975 has 6 divisors (see below), whose sum is σ = 1242666000. Its totient is φ = 801719960.

The previous prime is 1002149957. The next prime is 1002149999. The reversal of 1002149975 is 5799412001.

It is not a de Polignac number, because 1002149975 - 2¹⁶ = 1002084439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20042975 + ... + 20043024.

It is an arithmetic number, because the mean of its divisors is an integer number (207111000).

Almost surely, 2^1002149975 is an apocalyptic number.

1002149975 is a deficient number, since it is larger than the sum of its proper divisors (240516025).

1002149975 is an equidigital number, since it uses as much as digits as its factorization.

1002149975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40086009 (or 40086004 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1002149975 is about 31656.7524392506. The cubic root of 1002149975 is about 1000.7161453467.

The spelling of 1002149975 in words is "one billion, two million, one hundred forty-nine thousand, nine hundred seventy-five".