118610421 has 8 divisors (see below), whose sum is σ = 159598560. Its totient is φ = 78347952.

The previous prime is 118610347. The next prime is 118610423. The reversal of 118610421 is 124016811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118610421 - 2¹⁷ = 118479349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118610391 and 118610400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118610423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181035 + ... + 181688.

It is an arithmetic number, because the mean of its divisors is an integer number (19949820).

Almost surely, 2^118610421 is an apocalyptic number.

It is an amenable number.

118610421 is a deficient number, since it is larger than the sum of its proper divisors (40988139).

118610421 is a wasteful number, since it uses less digits than its factorization.

118610421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362835.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 118610421 is about 10890.8411520874. The cubic root of 118610421 is about 491.3311313794.

The spelling of 118610421 in words is "one hundred eighteen million, six hundred ten thousand, four hundred twenty-one".