1120100120 has 32 divisors (see below), whose sum is σ = 2578839120. Its totient is φ = 437619840.

The previous prime is 1120100087. The next prime is 1120100227. The reversal of 1120100120 is 210010211.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 1120100098 and 1120100107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323891 + ... + 327330.

Almost surely, 2^1120100120 is an apocalyptic number.

1120100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120100120 is an abundant number, since it is smaller than the sum of its proper divisors (1458739000).

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

1120100120 is a wasteful number, since it uses less digits than its factorization.

1120100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651275 (or 651271 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1120100120 is about 33467.8968565400. The cubic root of 1120100120 is about 1038.5297642404.

Adding to 1120100120 its reverse (210010211), we get a palindrome (1330110331).

The spelling of 1120100120 in words is "one billion, one hundred twenty million, one hundred thousand, one hundred twenty".