1532125920 has 96 divisors (see below), whose sum is σ = 5197463712. Its totient is φ = 377137152.

The previous prime is 1532125913. The next prime is 1532125943. The reversal of 1532125920 is 295212351.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116527 + ... + 129006.

It is an arithmetic number, because the mean of its divisors is an integer number (54140247).

Almost surely, 2^1532125920 is an apocalyptic number.

1532125920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1532125920 is an abundant number, since it is smaller than the sum of its proper divisors (3665337792).

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

1532125920 is a wasteful number, since it uses less digits than its factorization.

1532125920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245564 (or 245556 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1532125920 is about 39142.3801013684. The cubic root of 1532125920 is about 1152.8288065427.

The spelling of 1532125920 in words is "one billion, five hundred thirty-two million, one hundred twenty-five thousand, nine hundred twenty".