1121374894 has 8 divisors (see below), whose sum is σ = 1693351800. Its totient is φ = 556924296.

The previous prime is 1121374861. The next prime is 1121374897. The reversal of 1121374894 is 4984731211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1121374894² = 2514963305787022472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121374897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881204 + ... + 1881799.

It is an arithmetic number, because the mean of its divisors is an integer number (211668975).

Almost surely, 2^1121374894 is an apocalyptic number.

1121374894 is a deficient number, since it is larger than the sum of its proper divisors (571976906).

1121374894 is a wasteful number, since it uses less digits than its factorization.

1121374894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763154.

The product of its digits is 48384, while the sum is 40.

The square root of 1121374894 is about 33486.9361691989. The cubic root of 1121374894 is about 1038.9235947561.

The spelling of 1121374894 in words is "one billion, one hundred twenty-one million, three hundred seventy-four thousand, eight hundred ninety-four".