1535125404 has 12 divisors (see below), whose sum is σ = 3581959304. Its totient is φ = 511708464.

The previous prime is 1535125399. The next prime is 1535125429. The reversal of 1535125404 is 4045215351.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1535125404² = 4713220012012326432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63963547 + ... + 63963570.

Almost surely, 2^1535125404 is an apocalyptic number.

It is an amenable number.

1535125404 is an abundant number, since it is smaller than the sum of its proper divisors (2046833900).

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

1535125404 is a wasteful number, since it uses less digits than its factorization.

1535125404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127927124 (or 127927122 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1535125404 is about 39180.6764107002. The cubic root of 1535125404 is about 1153.5806240947.

It can be divided in two parts, 15351 and 25404, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 1535125404 in words is "one billion, five hundred thirty-five million, one hundred twenty-five thousand, four hundred four".