117042040 has 16 divisors (see below), whose sum is σ = 263344680. Its totient is φ = 46816800.

The previous prime is 117042011. The next prime is 117042067. The reversal of 117042040 is 40240711.

It is a junction number, because it is equal to n+sod(n) for n = 117041999 and 117042017.

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, 1462986 + ... + 1463065.

Almost surely, 2^117042040 is an apocalyptic number.

117042040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117042040 is an abundant number, since it is smaller than the sum of its proper divisors (146302640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117042040 is a wasteful number, since it uses less digits than its factorization.

117042040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926062 (or 2926058 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 117042040 is about 10818.5969515460. The cubic root of 117042040 is about 489.1558978398.

Adding to 117042040 its reverse (40240711), we get a palindrome (157282751).

The spelling of 117042040 in words is "one hundred seventeen million, forty-two thousand, forty".