117842354 has 12 divisors (see below), whose sum is σ = 205623054. Its totient is φ = 50503824.

The previous prime is 117842327. The next prime is 117842357. The reversal of 117842354 is 453248711.

It can be written as a sum of positive squares in only one way, i.e., 77176225 + 40666129 = 8785^2 + 6377^2 .

It is a super-2 number, since 2×117842354² = 27773640792522632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (117842357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601139 + ... + 601334.

Almost surely, 2^117842354 is an apocalyptic number.

117842354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

117842354 is a deficient number, since it is larger than the sum of its proper divisors (87780700).

117842354 is a wasteful number, since it uses less digits than its factorization.

117842354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202489 (or 1202482 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 117842354 is about 10855.5218207141. The cubic root of 117842354 is about 490.2682884520.

The spelling of 117842354 in words is "one hundred seventeen million, eight hundred forty-two thousand, three hundred fifty-four".