1200351120 has 80 divisors (see below), whose sum is σ = 3724880640. Its totient is φ = 319767552.

The previous prime is 1200351109. The next prime is 1200351121. The reversal of 1200351120 is 211530021.

1200351120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1200351120² = 2881685622570508800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1200351120.

It is not an unprimeable number, because it can be changed into a prime (1200351121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316596 + ... + 320364.

It is an arithmetic number, because the mean of its divisors is an integer number (46561008).

Almost surely, 2^1200351120 is an apocalyptic number.

1200351120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200351120 is an abundant number, since it is smaller than the sum of its proper divisors (2524529520).

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

1200351120 is a wasteful number, since it uses less digits than its factorization.

1200351120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112 (or 5106 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1200351120 is about 34646.0837613719. The cubic root of 1200351120 is about 1062.7622037079.

Adding to 1200351120 its reverse (211530021), we get a palindrome (1411881141).

The spelling of 1200351120 in words is "one billion, two hundred million, three hundred fifty-one thousand, one hundred twenty".