1157630903 has 48 divisors (see below), whose sum is σ = 1434866400. Its totient is φ = 924618240.

The previous prime is 1157630867. The next prime is 1157630989. The reversal of 1157630903 is 3090367511.

It is not a de Polignac number, because 1157630903 - 2⁶ = 1157630839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157630003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5876201 + ... + 5876397.

It is an arithmetic number, because the mean of its divisors is an integer number (29893050).

Almost surely, 2^1157630903 is an apocalyptic number.

1157630903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1157630903 is a deficient number, since it is larger than the sum of its proper divisors (277235497).

1157630903 is a wasteful number, since it uses less digits than its factorization.

1157630903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 1157630903 is about 34023.9754144045. The cubic root of 1157630903 is about 1050.0017847286.

The spelling of 1157630903 in words is "one billion, one hundred fifty-seven million, six hundred thirty thousand, nine hundred three".