1121201232 has 40 divisors (see below), whose sum is σ = 2974723296. Its totient is φ = 363632256.

The previous prime is 1121201227. The next prime is 1121201243. The reversal of 1121201232 is 2321021211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313878 + ... + 317429.

Almost surely, 2^1121201232 is an apocalyptic number.

1121201232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121201232 is an abundant number, since it is smaller than the sum of its proper divisors (1853522064).

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

1121201232 is a wasteful number, since it uses less digits than its factorization.

1121201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631355 (or 631349 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1121201232 is about 33484.3430874790. The cubic root of 1121201232 is about 1038.8699609343.

Adding to 1121201232 its reverse (2321021211), we get a palindrome (3442222443).

The spelling of 1121201232 in words is "one billion, one hundred twenty-one million, two hundred one thousand, two hundred thirty-two".