1117404279 has 12 divisors (see below), whose sum is σ = 1615710096. Its totient is φ = 744160032.

The previous prime is 1117404259. The next prime is 1117404287. The reversal of 1117404279 is 9724047111.

1117404279 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1117404279 - 2⁸ = 1117404023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117404259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55494 + ... + 72899.

It is an arithmetic number, because the mean of its divisors is an integer number (134642508).

Almost surely, 2^1117404279 is an apocalyptic number.

1117404279 is a deficient number, since it is larger than the sum of its proper divisors (498305817).

1117404279 is a wasteful number, since it uses less digits than its factorization.

1117404279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129366 (or 129363 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1117404279 is about 33427.5975654847. The cubic root of 1117404279 is about 1037.6959220455.

The spelling of 1117404279 in words is "one billion, one hundred seventeen million, four hundred four thousand, two hundred seventy-nine".