1130123020 has 48 divisors (see below), whose sum is σ = 2586659040. Its totient is φ = 412240896.

The previous prime is 1130123003. The next prime is 1130123053. The reversal of 1130123020 is 203210311.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4605 + ... + 47764.

It is an arithmetic number, because the mean of its divisors is an integer number (53888730).

Almost surely, 2^1130123020 is an apocalyptic number.

1130123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130123020 is an abundant number, since it is smaller than the sum of its proper divisors (1456536020).

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

1130123020 is a wasteful number, since it uses less digits than its factorization.

1130123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52474 (or 52472 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1130123020 is about 33617.3023902871. The cubic root of 1130123020 is about 1041.6182339366.

Adding to 1130123020 its reverse (203210311), we get a palindrome (1333333331).

The spelling of 1130123020 in words is "one billion, one hundred thirty million, one hundred twenty-three thousand, twenty".