118987061 has 4 divisors (see below), whose sum is σ = 119013324. Its totient is φ = 118960800.

The previous prime is 118987031. The next prime is 118987069. The reversal of 118987061 is 160789811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101888836 + 17098225 = 10094^2 + 4135^2 .

It is a cyclic number.

It is not a de Polignac number, because 118987061 - 2⁶ = 118986997 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 (118987069) 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, 4400 + ... + 16041.

It is an arithmetic number, because the mean of its divisors is an integer number (29753331).

Almost surely, 2^118987061 is an apocalyptic number.

It is an amenable number.

118987061 is a deficient number, since it is larger than the sum of its proper divisors (26263).

118987061 is an equidigital number, since it uses as much as digits as its factorization.

118987061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26262.

The product of its (nonzero) digits is 24192, while the sum is 41.

The square root of 118987061 is about 10908.1190404212. The cubic root of 118987061 is about 491.8506456676.

The spelling of 118987061 in words is "one hundred eighteen million, nine hundred eighty-seven thousand, sixty-one".