117019919 has 8 divisors (see below), whose sum is σ = 119774592. Its totient is φ = 114285600.

The previous prime is 117019907. The next prime is 117019933. The reversal of 117019919 is 919910711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117019919 is a prime.

It is a super-2 number, since 2×117019919² = 27387322885533122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117015919) 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, 6869 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (14971824).

Almost surely, 2^117019919 is an apocalyptic number.

117019919 is a deficient number, since it is larger than the sum of its proper divisors (2754673).

117019919 is an equidigital number, since it uses as much as digits as its factorization.

117019919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177.

The product of its (nonzero) digits is 5103, while the sum is 38.

The square root of 117019919 is about 10817.5745433068. The cubic root of 117019919 is about 489.1250790007.

The spelling of 117019919 in words is "one hundred seventeen million, nineteen thousand, nine hundred nineteen".