118921941 has 12 divisors (see below), whose sum is σ = 172418220. Its totient is φ = 78984960.

The previous prime is 118921909. The next prime is 118921949. The reversal of 118921941 is 149129811.

It can be written as a sum of positive squares in 2 ways, for example, as 7535025 + 111386916 = 2745^2 + 10554^2 .

It is not a de Polignac number, because 118921941 - 2⁵ = 118921909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118921896 and 118921905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118921949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22140 + ... + 26981.

It is an arithmetic number, because the mean of its divisors is an integer number (14368185).

Almost surely, 2^118921941 is an apocalyptic number.

It is an amenable number.

118921941 is a deficient number, since it is larger than the sum of its proper divisors (53496279).

118921941 is a wasteful number, since it uses less digits than its factorization.

118921941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49396 (or 49393 counting only the distinct ones).

The product of its digits is 5184, while the sum is 36.

The square root of 118921941 is about 10905.1336993180. The cubic root of 118921941 is about 491.7609015710.

The spelling of 118921941 in words is "one hundred eighteen million, nine hundred twenty-one thousand, nine hundred forty-one".