118748481 has 4 divisors (see below), whose sum is σ = 158331312. Its totient is φ = 79165652.

The previous prime is 118748477. The next prime is 118748561. The reversal of 118748481 is 184847811.

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: 184847811 = 3 ⋅61615937.

It is a cyclic number.

It is not a de Polignac number, because 118748481 - 2² = 118748477 is a prime.

It is a super-2 number, since 2×118748481² = 28202403479614722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118748401) 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, 19791411 + ... + 19791416.

It is an arithmetic number, because the mean of its divisors is an integer number (39582828).

Almost surely, 2^118748481 is an apocalyptic number.

It is an amenable number.

118748481 is a deficient number, since it is larger than the sum of its proper divisors (39582831).

118748481 is an equidigital number, since it uses as much as digits as its factorization.

118748481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39582830.

The product of its digits is 57344, while the sum is 42.

The square root of 118748481 is about 10897.1776621289. The cubic root of 118748481 is about 491.5216904484.

The spelling of 118748481 in words is "one hundred eighteen million, seven hundred forty-eight thousand, four hundred eighty-one".