1121493968 has 60 divisors (see below), whose sum is σ = 2532775392. Its totient is φ = 479666880.

The previous prime is 1121493959. The next prime is 1121493977. The reversal of 1121493968 is 8693941211.

It is an interprime number because it is at equal distance from previous prime (1121493959) and next prime (1121493977).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493571 + ... + 495837.

Almost surely, 2^1121493968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121493968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266387696).

1121493968 is an abundant number, since it is smaller than the sum of its proper divisors (1411281424).

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

1121493968 is a wasteful number, since it uses less digits than its factorization.

1121493968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920 (or 2907 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 1121493968 is about 33488.7140392103. The cubic root of 1121493968 is about 1038.9603664044.

The spelling of 1121493968 in words is "one billion, one hundred twenty-one million, four hundred ninety-three thousand, nine hundred sixty-eight".