1113001200 has 90 divisors (see below), whose sum is σ = 3862435824. Its totient is φ = 296799360.

The previous prime is 1113001189. The next prime is 1113001231. The reversal of 1113001200 is 21003111.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 150984 + ... + 158183.

Almost surely, 2^1113001200 is an apocalyptic number.

1113001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113001200 is an abundant number, since it is smaller than the sum of its proper divisors (2749434624).

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

1113001200 is a wasteful number, since it uses less digits than its factorization.

1113001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309191 (or 309177 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1113001200 is about 33361.6726199392. The cubic root of 1113001200 is about 1036.3311305174.

Adding to 1113001200 its reverse (21003111), we get a palindrome (1134004311).

The spelling of 1113001200 in words is "one billion, one hundred thirteen million, one thousand, two hundred".