130421512 has 16 divisors (see below), whose sum is σ = 263351340. Its totient is φ = 60194496.

The previous prime is 130421503. The next prime is 130421527. The reversal of 130421512 is 215124031.

It can be written as a sum of positive squares in 2 ways, for example, as 128006596 + 2414916 = 11314^2 + 1554^2 .

It is a super-2 number, since 2×130421512² = 34019541584732288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130421512.

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 3 ways as a sum of consecutive naturals, for example, 626923 + ... + 627130.

Almost surely, 2^130421512 is an apocalyptic number.

It is an amenable number.

130421512 is an abundant number, since it is smaller than the sum of its proper divisors (132929828).

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

130421512 is a wasteful number, since it uses less digits than its factorization.

130421512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254072 (or 1254068 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 130421512 is about 11420.2238156702. The cubic root of 130421512 is about 507.1266225653.

Adding to 130421512 its reverse (215124031), we get a palindrome (345545543).

The spelling of 130421512 in words is "one hundred thirty million, four hundred twenty-one thousand, five hundred twelve".