1121935940 has 48 divisors (see below), whose sum is σ = 2483006400. Its totient is φ = 424651392.

The previous prime is 1121935937. The next prime is 1121935943. The reversal of 1121935940 is 495391211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121935937) and next prime (1121935943).

It is a self number, because there is not a number n which added to its sum of digits gives 1121935940.

It is not an unprimeable number, because it can be changed into a prime (1121935943) 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, 541226 + ... + 543294.

It is an arithmetic number, because the mean of its divisors is an integer number (51729300).

Almost surely, 2^1121935940 is an apocalyptic number.

1121935940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121935940 is an abundant number, since it is smaller than the sum of its proper divisors (1361070460).

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

1121935940 is a wasteful number, since it uses less digits than its factorization.

1121935940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 1121935940 is about 33495.3122093227. The cubic root of 1121935940 is about 1039.0968305306.

The spelling of 1121935940 in words is "one billion, one hundred twenty-one million, nine hundred thirty-five thousand, nine hundred forty".