1117637942 has 16 divisors (see below), whose sum is σ = 1792016352. Its totient is φ = 521484480.

The previous prime is 1117637923. The next prime is 1117637951. The reversal of 1117637942 is 2497367111.

It is a super-2 number, since 2×1117637942² = 2498229138795990728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a house number.

It is a self number, because there is not a number n which added to its sum of digits gives 1117637942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294413 + ... + 298184.

It is an arithmetic number, because the mean of its divisors is an integer number (112001022).

Almost surely, 2^1117637942 is an apocalyptic number.

1117637942 is a deficient number, since it is larger than the sum of its proper divisors (674378410).

1117637942 is a wasteful number, since it uses less digits than its factorization.

1117637942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592663.

The product of its digits is 63504, while the sum is 41.

The square root of 1117637942 is about 33431.0924440109. The cubic root of 1117637942 is about 1037.7682486711.

The spelling of 1117637942 in words is "one billion, one hundred seventeen million, six hundred thirty-seven thousand, nine hundred forty-two".