117841490 has 16 divisors (see below), whose sum is σ = 228431448. Its totient is φ = 43510656.

The previous prime is 117841481. The next prime is 117841499. The reversal of 117841490 is 94148711.

It is an interprime number because it is at equal distance from previous prime (117841481) and next prime (117841499).

It can be written as a sum of positive squares in 4 ways, for example, as 108847489 + 8994001 = 10433^2 + 2999^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117841490.

It is not an unprimeable number, because it can be changed into a prime (117841499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453107 + ... + 453366.

Almost surely, 2^117841490 is an apocalyptic number.

117841490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117841490 is a deficient number, since it is larger than the sum of its proper divisors (110589958).

117841490 is a wasteful number, since it uses less digits than its factorization.

117841490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906493.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 117841490 is about 10855.4820252258. The cubic root of 117841490 is about 490.2670902614.

The spelling of 117841490 in words is "one hundred seventeen million, eight hundred forty-one thousand, four hundred ninety".