1157103 has 12 divisors (see below), whose sum is σ = 1692600. Its totient is φ = 761616.

The previous prime is 1157099. The next prime is 1157111. The reversal of 1157103 is 3017511.

It is a happy number.

It is not a de Polignac number, because 1157103 - 2² = 1157099 is a prime.

1157103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157183) 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, 28 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (141050).

2^1157103 is an apocalyptic number.

1157103 is a deficient number, since it is larger than the sum of its proper divisors (535497).

1157103 is a wasteful number, since it uses less digits than its factorization.

1157103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 1157103 is about 1075.6872221980. The cubic root of 1157103 is about 104.9842153143.

The spelling of 1157103 in words is "one million, one hundred fifty-seven thousand, one hundred three".