118820625 has 80 divisors (see below), whose sum is σ = 247120896. Its totient is φ = 49320000.

The previous prime is 118820621. The next prime is 118820629. The reversal of 118820625 is 526028811.

It is an interprime number because it is at equal distance from previous prime (118820621) and next prime (118820629).

It is not a de Polignac number, because 118820625 - 2² = 118820621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118820621) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 143964 + ... + 144786.

Almost surely, 2^118820625 is an apocalyptic number.

118820625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118820625 is an abundant number, since it is smaller than the sum of its proper divisors (128300271).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118820625 is an equidigital number, since it uses as much as digits as its factorization.

118820625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 118820625 is about 10900.4873744251. The cubic root of 118820625 is about 491.6212093694.

It can be divided in two parts, 1188 and 20625, that multiplied together give a square (24502500 = 4950²).

The spelling of 118820625 in words is "one hundred eighteen million, eight hundred twenty thousand, six hundred twenty-five".