1157135 has 12 divisors (see below), whose sum is σ = 1615608. Its totient is φ = 793296.

The previous prime is 1157131. The next prime is 1157159. The reversal of 1157135 is 5317511.

It is not a de Polignac number, because 1157135 - 2² = 1157131 is a prime.

It is a super-2 number, since 2×1157135² = 2677922816450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1157135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157131) 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, 2117 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (134634).

2^1157135 is an apocalyptic number.

1157135 is a deficient number, since it is larger than the sum of its proper divisors (458473).

1157135 is an equidigital number, since it uses as much as digits as its factorization.

1157135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 4735 counting only the distinct ones).

The product of its digits is 525, while the sum is 23.

The square root of 1157135 is about 1075.7020963073. The cubic root of 1157135 is about 104.9851830944.

The spelling of 1157135 in words is "one million, one hundred fifty-seven thousand, one hundred thirty-five".