1121352512 has 56 divisors (see below), whose sum is σ = 2630789760. Its totient is φ = 464002560.

The previous prime is 1121352509. The next prime is 1121352517. The reversal of 1121352512 is 2152531211.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121352517) 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, 30164 + ... + 56147.

Almost surely, 2^1121352512 is an apocalyptic number.

It is an amenable number.

1121352512 is an abundant number, since it is smaller than the sum of its proper divisors (1509437248).

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

1121352512 is an equidigital number, since it uses as much as digits as its factorization.

1121352512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86359 (or 86349 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 1121352512 is about 33486.6019775074. The cubic root of 1121352512 is about 1038.9166826037.

Adding to 1121352512 its reverse (2152531211), we get a palindrome (3273883723).

The spelling of 1121352512 in words is "one billion, one hundred twenty-one million, three hundred fifty-two thousand, five hundred twelve".