1121579130 has 160 divisors (see below), whose sum is σ = 3281606784. Its totient is φ = 244852608.

The previous prime is 1121579117. The next prime is 1121579141. The reversal of 1121579130 is 319751211.

1121579130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1656352 + ... + 1657028.

Almost surely, 2^1121579130 is an apocalyptic number.

1121579130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121579130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1640803392).

1121579130 is an abundant number, since it is smaller than the sum of its proper divisors (2160027654).

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

1121579130 is an equidigital number, since it uses as much as digits as its factorization.

1121579130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 1121579130 is about 33489.9855180620. The cubic root of 1121579130 is about 1038.9866639759.

The spelling of 1121579130 in words is "one billion, one hundred twenty-one million, five hundred seventy-nine thousand, one hundred thirty".