116249999 has 4 divisors (see below), whose sum is σ = 122368440. Its totient is φ = 110131560.

The previous prime is 116249989. The next prime is 116250007. The reversal of 116249999 is 999942611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999942611 = 563 ⋅1776097.

It is a cyclic number.

It is not a de Polignac number, because 116249999 - 2⁴ = 116249983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116249989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3059192 + ... + 3059229.

It is an arithmetic number, because the mean of its divisors is an integer number (30592110).

Almost surely, 2^116249999 is an apocalyptic number.

116249999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

116249999 is a deficient number, since it is larger than the sum of its proper divisors (6118441).

116249999 is an equidigital number, since it uses as much as digits as its factorization.

116249999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118440.

The product of its digits is 314928, while the sum is 50.

The square root of 116249999 is about 10781.9292800500. The cubic root of 116249999 is about 488.0500024348.

The spelling of 116249999 in words is "one hundred sixteen million, two hundred forty-nine thousand, nine hundred ninety-nine".