118284425 has 24 divisors (see below), whose sum is σ = 168638016. Its totient is φ = 80619840.

The previous prime is 118284403. The next prime is 118284451. The reversal of 118284425 is 524482811.

It is not a de Polignac number, because 118284425 - 2⁸ = 118284169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28322 + ... + 32228.

It is an arithmetic number, because the mean of its divisors is an integer number (7026584).

Almost surely, 2^118284425 is an apocalyptic number.

It is an amenable number.

118284425 is a deficient number, since it is larger than the sum of its proper divisors (50353591).

118284425 is a wasteful number, since it uses less digits than its factorization.

118284425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4097 (or 4092 counting only the distinct ones).

The product of its digits is 20480, while the sum is 35.

The square root of 118284425 is about 10875.8643334679. The cubic root of 118284425 is about 490.8805836992.

The spelling of 118284425 in words is "one hundred eighteen million, two hundred eighty-four thousand, four hundred twenty-five".