991074119 has 8 divisors (see below), whose sum is σ = 1163268768. Its totient is φ = 826532640.

The previous prime is 991074113. The next prime is 991074131. The reversal of 991074119 is 911470199.

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

It is not a de Polignac number, because 991074119 - 2²⁴ = 974296903 is a prime.

It is a super-2 number, since 2×991074119² = 1964455818703252322, 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 (991074113) 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, 1913012 + ... + 1913529.

It is an arithmetic number, because the mean of its divisors is an integer number (145408596).

Almost surely, 2^991074119 is an apocalyptic number.

991074119 is a deficient number, since it is larger than the sum of its proper divisors (172194649).

991074119 is a wasteful number, since it uses less digits than its factorization.

991074119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826585.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 991074119 is about 31481.3296891983. The cubic root of 991074119 is about 997.0158098006.

The spelling of 991074119 in words is "nine hundred ninety-one million, seventy-four thousand, one hundred nineteen".