1503504012 has 24 divisors (see below), whose sum is σ = 3527563312. Its totient is φ = 498398400.

The previous prime is 1503504007. The next prime is 1503504047. The reversal of 1503504012 is 2104053051.

It is a super-2 number, since 2×1503504012² = 4521048628200192288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1503504012.

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, 343939 + ... + 348282.

Almost surely, 2^1503504012 is an apocalyptic number.

1503504012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1503504012 is an abundant number, since it is smaller than the sum of its proper divisors (2024059300).

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

1503504012 is a wasteful number, since it uses less digits than its factorization.

1503504012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692409 (or 692407 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1503504012 is about 38775.0436750238. The cubic root of 1503504012 is about 1145.6049032589.

Adding to 1503504012 its reverse (2104053051), we get a palindrome (3607557063).

It can be divided in two parts, 1503 and 504012, that added together give a triangular number (505515 = T₁₀₀₅).

The spelling of 1503504012 in words is "one billion, five hundred three million, five hundred four thousand, twelve".