1011980200 has 96 divisors (see below), whose sum is σ = 2933472960. Its totient is φ = 315417600.

The previous prime is 1011980191. The next prime is 1011980209. The reversal of 1011980200 is 20891101.

1011980200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1011980191) and next prime (1011980209).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1011980209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17457 + ... + 48256.

It is an arithmetic number, because the mean of its divisors is an integer number (30557010).

Almost surely, 2^1011980200 is an apocalyptic number.

1011980200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011980200 is an abundant number, since it is smaller than the sum of its proper divisors (1921492760).

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

1011980200 is a wasteful number, since it uses less digits than its factorization.

1011980200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65747 (or 65738 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 1011980200 is about 31811.6362358179. The cubic root of 1011980200 is about 1003.9775580556.

The spelling of 1011980200 in words is "one billion, eleven million, nine hundred eighty thousand, two hundred".