1157499003 has 8 divisors (see below), whose sum is σ = 1580974416. Its totient is φ = 752844800.

The previous prime is 1157499001. The next prime is 1157499053. The reversal of 1157499003 is 3009947511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1157499003 - 2¹ = 1157499001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157499001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4705158 + ... + 4705403.

It is an arithmetic number, because the mean of its divisors is an integer number (197621802).

Almost surely, 2^1157499003 is an apocalyptic number.

1157499003 is a deficient number, since it is larger than the sum of its proper divisors (423475413).

1157499003 is an equidigital number, since it uses as much as digits as its factorization.

1157499003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9410605.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1157499003 is about 34022.0370201433. The cubic root of 1157499003 is about 1049.9619042868.

The spelling of 1157499003 in words is "one billion, one hundred fifty-seven million, four hundred ninety-nine thousand, three".