1159789122 has 54 divisors (see below), whose sum is σ = 2634430617. Its totient is φ = 368728272.

The previous prime is 1159789121. The next prime is 1159789139. The reversal of 1159789122 is 2219879511.

It can be written as a sum of positive squares in 2 ways, for example, as 1092368601 + 67420521 = 33051^2 + 8211^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24081.

It is a super-2 number, since 2×1159789122² = 2690221615019061768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1159789121) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3323004 + ... + 3323352.

Almost surely, 2^1159789122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159789122

1159789122 is an abundant number, since it is smaller than the sum of its proper divisors (1474641495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1159789122 is an equidigital number, since it uses as much as digits as its factorization.

1159789122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 377 counting only the distinct ones).

The product of its digits is 90720, while the sum is 45.

The square root of 1159789122 is about 34055.6767955065. The cubic root of 1159789122 is about 1050.6539001742.

The spelling of 1159789122 in words is "one billion, one hundred fifty-nine million, seven hundred eighty-nine thousand, one hundred twenty-two".