1345520124 has 72 divisors (see below), whose sum is σ = 3752194992. Its totient is φ = 403902720.

The previous prime is 1345520119. The next prime is 1345520177. The reversal of 1345520124 is 4210255431.

1345520124 is a `hidden beast` number, since 1 + 3 + 455 + 201 + 2 + 4 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15874 + ... + 54249.

Almost surely, 2^1345520124 is an apocalyptic number.

It is an amenable number.

1345520124 is an abundant number, since it is smaller than the sum of its proper divisors (2406674868).

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

1345520124 is a wasteful number, since it uses less digits than its factorization.

1345520124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70187 (or 70182 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1345520124 is about 36681.3320914058. The cubic root of 1345520124 is about 1103.9855759773.

Adding to 1345520124 its reverse (4210255431), we get a palindrome (5555775555).

The spelling of 1345520124 in words is "one billion, three hundred forty-five million, five hundred twenty thousand, one hundred twenty-four".