118141961 has 16 divisors (see below), whose sum is σ = 145440768. Its totient is φ = 93733200.

The previous prime is 118141937. The next prime is 118141987. The reversal of 118141961 is 169141811.

It is a cyclic number.

It is not a de Polignac number, because 118141961 - 2²² = 113947657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118141901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6845 + ... + 16826.

It is an arithmetic number, because the mean of its divisors is an integer number (9090048).

Almost surely, 2^118141961 is an apocalyptic number.

It is an amenable number.

118141961 is a deficient number, since it is larger than the sum of its proper divisors (27298807).

118141961 is a wasteful number, since it uses less digits than its factorization.

118141961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23732.

The product of its digits is 1728, while the sum is 32.

The square root of 118141961 is about 10869.3128117651. The cubic root of 118141961 is about 490.6834292375.

The spelling of 118141961 in words is "one hundred eighteen million, one hundred forty-one thousand, nine hundred sixty-one".