118514621 has 4 divisors (see below), whose sum is σ = 119942592. Its totient is φ = 117086652.

The previous prime is 118514611. The next prime is 118514639. The reversal of 118514621 is 126415811.

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: 126415811 = 10867 ⋅11633.

It is a cyclic number.

It is not a de Polignac number, because 118514621 - 2¹⁰ = 118513597 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 (118514611) 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, 713861 + ... + 714026.

It is an arithmetic number, because the mean of its divisors is an integer number (29985648).

Almost surely, 2^118514621 is an apocalyptic number.

It is an amenable number.

118514621 is a deficient number, since it is larger than the sum of its proper divisors (1427971).

118514621 is an equidigital number, since it uses as much as digits as its factorization.

118514621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427970.

The product of its digits is 1920, while the sum is 29.

The square root of 118514621 is about 10886.4420725965. The cubic root of 118514621 is about 491.1988152918.

The spelling of 118514621 in words is "one hundred eighteen million, five hundred fourteen thousand, six hundred twenty-one".