1113794278 has 4 divisors (see below), whose sum is σ = 1670691420. Its totient is φ = 556897138.

The previous prime is 1113794249. The next prime is 1113794281. The reversal of 1113794278 is 8724973111.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278448568 + ... + 278448571.

It is an arithmetic number, because the mean of its divisors is an integer number (417672855).

Almost surely, 2^1113794278 is an apocalyptic number.

1113794278 is a deficient number, since it is larger than the sum of its proper divisors (556897142).

1113794278 is an equidigital number, since it uses as much as digits as its factorization.

1113794278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556897141.

The product of its digits is 84672, while the sum is 43.

The square root of 1113794278 is about 33373.5565680375. The cubic root of 1113794278 is about 1036.5772207829.

The spelling of 1113794278 in words is "one billion, one hundred thirteen million, seven hundred ninety-four thousand, two hundred seventy-eight".