1158928090 has 8 divisors (see below), whose sum is σ = 2086070580. Its totient is φ = 463571232.

The previous prime is 1158928079. The next prime is 1158928093. The reversal of 1158928090 is 908298511.

It can be written as a sum of positive squares in 2 ways, for example, as 1071711169 + 87216921 = 32737^2 + 9339^2 .

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

It is a super-2 number, since 2×1158928090² = 2686228635582096200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1158928093) 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, 57946395 + ... + 57946414.

Almost surely, 2^1158928090 is an apocalyptic number.

1158928090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158928090 is a deficient number, since it is larger than the sum of its proper divisors (927142490).

1158928090 is a wasteful number, since it uses less digits than its factorization.

1158928090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115892816.

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 1158928090 is about 34043.0329142396. The cubic root of 1158928090 is about 1050.3938326110.

The spelling of 1158928090 in words is "one billion, one hundred fifty-eight million, nine hundred twenty-eight thousand, ninety".