1512742868 has 24 divisors (see below), whose sum is σ = 3258216192. Its totient is φ = 598447584.

The previous prime is 1512742849. The next prime is 1512742883. The reversal of 1512742868 is 8682472151.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2077580 + ... + 2078307.

It is an arithmetic number, because the mean of its divisors is an integer number (135759008).

Almost surely, 2^1512742868 is an apocalyptic number.

It is an amenable number.

1512742868 is an abundant number, since it is smaller than the sum of its proper divisors (1745473324).

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

1512742868 is a wasteful number, since it uses less digits than its factorization.

1512742868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155911 (or 4155909 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 1512742868 is about 38893.9952691929. The cubic root of 1512742868 is about 1147.9466491736.

The spelling of 1512742868 in words is "one billion, five hundred twelve million, seven hundred forty-two thousand, eight hundred sixty-eight".