1120401200 has 30 divisors (see below), whose sum is σ = 2691764844. Its totient is φ = 448160320.

The previous prime is 1120401187. The next prime is 1120401221. The reversal of 1120401200 is 21040211.

It is a super-2 number, since 2×1120401200² = 2510597697922880000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1400102 + ... + 1400901.

Almost surely, 2^1120401200 is an apocalyptic number.

1120401200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120401200 is an abundant number, since it is smaller than the sum of its proper divisors (1571363644).

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

1120401200 is a wasteful number, since it uses less digits than its factorization.

1120401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801021 (or 2801010 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1120401200 is about 33472.3945961444. The cubic root of 1120401200 is about 1038.6228072712.

Adding to 1120401200 its reverse (21040211), we get a palindrome (1141441411).

The spelling of 1120401200 in words is "one billion, one hundred twenty million, four hundred one thousand, two hundred".