1121977496 has 8 divisors (see below), whose sum is σ = 2103707820. Its totient is φ = 560988744.

The previous prime is 1121977489. The next prime is 1121977499. The reversal of 1121977496 is 6947791211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1121977496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121977499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70123586 + ... + 70123601.

Almost surely, 2^1121977496 is an apocalyptic number.

It is an amenable number.

1121977496 is a deficient number, since it is larger than the sum of its proper divisors (981730324).

1121977496 is a wasteful number, since it uses less digits than its factorization.

1121977496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140247193 (or 140247189 counting only the distinct ones).

The product of its digits is 190512, while the sum is 47.

The square root of 1121977496 is about 33495.9325291893. The cubic root of 1121977496 is about 1039.1096595978.

The spelling of 1121977496 in words is "one billion, one hundred twenty-one million, nine hundred seventy-seven thousand, four hundred ninety-six".