1121733240 has 64 divisors (see below), whose sum is σ = 3368403360. Its totient is φ = 298844160.

The previous prime is 1121733203. The next prime is 1121733241. The reversal of 1121733240 is 423371211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1121733240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121733241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142200 + ... + 149880.

Almost surely, 2^1121733240 is an apocalyptic number.

1121733240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121733240 is an abundant number, since it is smaller than the sum of its proper divisors (2246670120).

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

1121733240 is a wasteful number, since it uses less digits than its factorization.

1121733240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8912 (or 8908 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1121733240 is about 33492.2862760965. The cubic root of 1121733240 is about 1039.0342489381.

The spelling of 1121733240 in words is "one billion, one hundred twenty-one million, seven hundred thirty-three thousand, two hundred forty".