1512400860 has 72 divisors (see below), whose sum is σ = 4650500400. Its totient is φ = 397778688.

The previous prime is 1512400853. The next prime is 1512400861. The reversal of 1512400860 is 680042151.

It is a super-2 number, since 2×1512400860² = 4574712722657479200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512400861) 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 23 ways as a sum of consecutive naturals, for example, 44410 + ... + 70689.

Almost surely, 2^1512400860 is an apocalyptic number.

1512400860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1512400860 is an abundant number, since it is smaller than the sum of its proper divisors (3138099540).

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

1512400860 is a wasteful number, since it uses less digits than its factorization.

1512400860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115187 (or 115182 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1512400860 is about 38889.5983522587. The cubic root of 1512400860 is about 1147.8601315997.

The spelling of 1512400860 in words is "one billion, five hundred twelve million, four hundred thousand, eight hundred sixty".