1146820980 has 48 divisors (see below), whose sum is σ = 3220358400. Its totient is φ = 304937088.

The previous prime is 1146820967. The next prime is 1146820999. The reversal of 1146820980 is 890286411.

It is a congruent number.

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, 6444 + ... + 48323.

It is an arithmetic number, because the mean of its divisors is an integer number (67090800).

Almost surely, 2^1146820980 is an apocalyptic number.

1146820980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146820980 is an abundant number, since it is smaller than the sum of its proper divisors (2073537420).

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

1146820980 is a wasteful number, since it uses less digits than its factorization.

1146820980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55128 (or 55126 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1146820980 is about 33864.7453851347. The cubic root of 1146820980 is about 1046.7232633781.

The spelling of 1146820980 in words is "one billion, one hundred forty-six million, eight hundred twenty thousand, nine hundred eighty".