1121351052 has 12 divisors (see below), whose sum is σ = 2616485816. Its totient is φ = 373783680.

The previous prime is 1121351041. The next prime is 1121351057. The reversal of 1121351052 is 2501531211.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1121351057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46722949 + ... + 46722972.

Almost surely, 2^1121351052 is an apocalyptic number.

1121351052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121351052 is an abundant number, since it is smaller than the sum of its proper divisors (1495134764).

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

1121351052 is a wasteful number, since it uses less digits than its factorization.

1121351052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93445928 (or 93445926 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1121351052 is about 33486.5801777369. The cubic root of 1121351052 is about 1038.9162317139.

Adding to 1121351052 its reverse (2501531211), we get a palindrome (3622882263).

The spelling of 1121351052 in words is "one billion, one hundred twenty-one million, three hundred fifty-one thousand, fifty-two".