118368949 has 4 divisors (see below), whose sum is σ = 118409536. Its totient is φ = 118328364.

The previous prime is 118368947. The next prime is 118368997. The reversal of 118368949 is 949863811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 949863811 = 13 ⋅73066447.

It is a cyclic number.

It is not a de Polignac number, because 118368949 - 2¹ = 118368947 is a prime.

It is a super-2 number, since 2×118368949² = 28022416174729202, 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 (118368947) 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, 15549 + ... + 21874.

It is an arithmetic number, because the mean of its divisors is an integer number (29602384).

Almost surely, 2^118368949 is an apocalyptic number.

It is an amenable number.

118368949 is a deficient number, since it is larger than the sum of its proper divisors (40587).

118368949 is an equidigital number, since it uses as much as digits as its factorization.

118368949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40586.

The product of its digits is 373248, while the sum is 49.

The square root of 118368949 is about 10879.7494916014. The cubic root of 118368949 is about 490.9974807785.

The spelling of 118368949 in words is "one hundred eighteen million, three hundred sixty-eight thousand, nine hundred forty-nine".