1121342432 has 48 divisors (see below), whose sum is σ = 2554997760. Its totient is φ = 474484608.

The previous prime is 1121342413. The next prime is 1121342477. The reversal of 1121342432 is 2342431211.

It is a junction number, because it is equal to n+sod(n) for n = 1121342398 and 1121342407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13988 + ... + 49379.

It is an arithmetic number, because the mean of its divisors is an integer number (53229120).

Almost surely, 2^1121342432 is an apocalyptic number.

It is an amenable number.

1121342432 is an abundant number, since it is smaller than the sum of its proper divisors (1433655328).

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

1121342432 is an equidigital number, since it uses as much as digits as its factorization.

1121342432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63463 (or 63455 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1121342432 is about 33486.4514692136. The cubic root of 1121342432 is about 1038.9135696036.

Adding to 1121342432 its reverse (2342431211), we get a palindrome (3463773643).

The spelling of 1121342432 in words is "one billion, one hundred twenty-one million, three hundred forty-two thousand, four hundred thirty-two".