1002151512 has 48 divisors (see below), whose sum is σ = 2787523440. Its totient is φ = 325021248.

The previous prime is 1002151511. The next prime is 1002151541. The reversal of 1002151512 is 2151512001.

1002151512 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 151 + 512 = 666.

It is a super-2 number, since 2×1002151512² = 2008615306007772288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002151511) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 185428 + ... + 190755.

It is an arithmetic number, because the mean of its divisors is an integer number (58073405).

Almost surely, 2^1002151512 is an apocalyptic number.

1002151512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002151512 is an abundant number, since it is smaller than the sum of its proper divisors (1785371928).

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

1002151512 is a wasteful number, since it uses less digits than its factorization.

1002151512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376232 (or 376225 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1002151512 is about 31656.7767152627. The cubic root of 1002151512 is about 1000.7166569468.

Adding to 1002151512 its reverse (2151512001), we get a palindrome (3153663513).

The spelling of 1002151512 in words is "one billion, two million, one hundred fifty-one thousand, five hundred twelve".