1157630103 has 32 divisors (see below), whose sum is σ = 1964390400. Its totient is φ = 660024288.

The previous prime is 1157630099. The next prime is 1157630141. The reversal of 1157630103 is 3010367511.

1157630103 is a `hidden beast` number, since 1 + 15 + 7 + 630 + 10 + 3 = 666.

It is not a de Polignac number, because 1157630103 - 2² = 1157630099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 80893 + ... + 94121.

It is an arithmetic number, because the mean of its divisors is an integer number (61387200).

Almost surely, 2^1157630103 is an apocalyptic number.

1157630103 is a deficient number, since it is larger than the sum of its proper divisors (806760297).

1157630103 is a wasteful number, since it uses less digits than its factorization.

1157630103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13708 (or 13702 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1157630103 is about 34023.9636579867. The cubic root of 1157630103 is about 1050.0015428549.

Adding to 1157630103 its reverse (3010367511), we get a palindrome (4167997614).

The spelling of 1157630103 in words is "one billion, one hundred fifty-seven million, six hundred thirty thousand, one hundred three".