1307125503 has 12 divisors (see below), whose sum is σ = 1897855440. Its totient is φ = 866900736.

The previous prime is 1307125453. The next prime is 1307125511. The reversal of 1307125503 is 3055217031.

1307125503 is a `hidden beast` number, since 1 + 30 + 7 + 125 + 503 = 666.

It is not a de Polignac number, because 1307125503 - 2¹⁴ = 1307109119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307125403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374523 + ... + 377996.

It is an arithmetic number, because the mean of its divisors is an integer number (158154620).

Almost surely, 2^1307125503 is an apocalyptic number.

1307125503 is a deficient number, since it is larger than the sum of its proper divisors (590729937).

1307125503 is a wasteful number, since it uses less digits than its factorization.

1307125503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752718 (or 752715 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 1307125503 is about 36154.1906699625. The cubic root of 1307125503 is about 1093.3832825208.

The spelling of 1307125503 in words is "one billion, three hundred seven million, one hundred twenty-five thousand, five hundred three".