118449825 has 24 divisors (see below), whose sum is σ = 210903168. Its totient is φ = 58313280.

The previous prime is 118449811. The next prime is 118449827. The reversal of 118449825 is 528944811.

It is not a de Polignac number, because 118449825 - 2¹² = 118445729 is a prime.

It is a super-2 number, since 2×118449825² = 28060722085061250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118449827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59769 + ... + 61718.

It is an arithmetic number, because the mean of its divisors is an integer number (8787632).

Almost surely, 2^118449825 is an apocalyptic number.

118449825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118449825 is a deficient number, since it is larger than the sum of its proper divisors (92453343).

118449825 is a wasteful number, since it uses less digits than its factorization.

118449825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121513 (or 121508 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 118449825 is about 10883.4656704563. The cubic root of 118449825 is about 491.1092805707.

The spelling of 118449825 in words is "one hundred eighteen million, four hundred forty-nine thousand, eight hundred twenty-five".