1121300120 has 32 divisors (see below), whose sum is σ = 2553329520. Its totient is φ = 443114880.

The previous prime is 1121300107. The next prime is 1121300129. The reversal of 1121300120 is 210031211.

It is a super-2 number, since 2×1121300120² = 2514627918224028800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121300129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165551 + ... + 172190.

Almost surely, 2^1121300120 is an apocalyptic number.

1121300120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121300120 is an abundant number, since it is smaller than the sum of its proper divisors (1432029400).

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

1121300120 is a wasteful number, since it uses less digits than its factorization.

1121300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337835 (or 337831 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1121300120 is about 33485.8196853534. The cubic root of 1121300120 is about 1038.9005022114.

Adding to 1121300120 its reverse (210031211), we get a palindrome (1331331331).

The spelling of 1121300120 in words is "one billion, one hundred twenty-one million, three hundred thousand, one hundred twenty".