1157833069 has 4 divisors (see below), whose sum is σ = 1158656220. Its totient is φ = 1157009920.

The previous prime is 1157833067. The next prime is 1157833073. The reversal of 1157833069 is 9603387511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9603387511 = 6257 ⋅1534823.

It can be written as a sum of positive squares in 2 ways, for example, as 64208169 + 1093624900 = 8013^2 + 33070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157833069 - 2¹ = 1157833067 is a prime.

It is a super-2 number, since 2×1157833069² = 2681154831339917522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157833067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409462 + ... + 412279.

It is an arithmetic number, because the mean of its divisors is an integer number (289664055).

Almost surely, 2^1157833069 is an apocalyptic number.

It is an amenable number.

1157833069 is a deficient number, since it is larger than the sum of its proper divisors (823151).

1157833069 is an equidigital number, since it uses as much as digits as its factorization.

1157833069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823150.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 1157833069 is about 34026.9462191364. The cubic root of 1157833069 is about 1050.0629044702.

The spelling of 1157833069 in words is "one billion, one hundred fifty-seven million, eight hundred thirty-three thousand, sixty-nine".