1130289972 has 48 divisors (see below), whose sum is σ = 3052277760. Its totient is φ = 318850272.

The previous prime is 1130289971. The next prime is 1130289991. The reversal of 1130289972 is 2799820311.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130289971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78528 + ... + 91799.

It is an arithmetic number, because the mean of its divisors is an integer number (63589120).

Almost surely, 2^1130289972 is an apocalyptic number.

1130289972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1130289972 is an abundant number, since it is smaller than the sum of its proper divisors (1921987788).

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

1130289972 is a wasteful number, since it uses less digits than its factorization.

1130289972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170420 (or 170418 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1130289972 is about 33619.7854246573. The cubic root of 1130289972 is about 1041.6695238350.

The spelling of 1130289972 in words is "one billion, one hundred thirty million, two hundred eighty-nine thousand, nine hundred seventy-two".