1097774942 has 8 divisors (see below), whose sum is σ = 1796359032. Its totient is φ = 498988600.

The previous prime is 1097774921. The next prime is 1097774957. The reversal of 1097774942 is 2494777901.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24949409 + ... + 24949452.

It is an arithmetic number, because the mean of its divisors is an integer number (224544879).

Almost surely, 2^1097774942 is an apocalyptic number.

1097774942 is a deficient number, since it is larger than the sum of its proper divisors (698584090).

1097774942 is a wasteful number, since it uses less digits than its factorization.

1097774942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49898874.

The product of its (nonzero) digits is 889056, while the sum is 50.

The square root of 1097774942 is about 33132.6869118700. The cubic root of 1097774942 is about 1031.5836204357.

The spelling of 1097774942 in words is "one billion, ninety-seven million, seven hundred seventy-four thousand, nine hundred forty-two".