1512275968 has 128 divisors (see below), whose sum is σ = 3648988800. Its totient is φ = 612237312.

The previous prime is 1512275959. The next prime is 1512275971. The reversal of 1512275968 is 8695722151.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4357971 + ... + 4358317.

It is an arithmetic number, because the mean of its divisors is an integer number (28507725).

Almost surely, 2^1512275968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1512275968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1824494400).

1512275968 is an abundant number, since it is smaller than the sum of its proper divisors (2136712832).

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

1512275968 is an frugal number, since it uses more digits than its factorization.

1512275968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 375 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The square root of 1512275968 is about 38887.9925941157. The cubic root of 1512275968 is about 1147.8285344886.

The spelling of 1512275968 in words is "one billion, five hundred twelve million, two hundred seventy-five thousand, nine hundred sixty-eight".