1158107969 has 4 divisors (see below), whose sum is σ = 1219061040. Its totient is φ = 1097154900.

The previous prime is 1158107941. The next prime is 1158107971. The reversal of 1158107969 is 9697018511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1158107969 - 2²⁴ = 1141330753 is a prime.

It is a super-2 number, since 2×1158107969² = 2682428135722609922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1158106969) 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, 30476507 + ... + 30476544.

It is an arithmetic number, because the mean of its divisors is an integer number (304765260).

Almost surely, 2^1158107969 is an apocalyptic number.

1158107969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1158107969 is a deficient number, since it is larger than the sum of its proper divisors (60953071).

1158107969 is an equidigital number, since it uses as much as digits as its factorization.

1158107969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60953070.

The product of its (nonzero) digits is 136080, while the sum is 47.

The square root of 1158107969 is about 34030.9854250505. The cubic root of 1158107969 is about 1050.1460020709.

The spelling of 1158107969 in words is "one billion, one hundred fifty-eight million, one hundred seven thousand, nine hundred sixty-nine".