118230837 has 4 divisors (see below), whose sum is σ = 157641120. Its totient is φ = 78820556.

The previous prime is 118230817. The next prime is 118230887. The reversal of 118230837 is 738032811.

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.

It is a cyclic number.

It is not a de Polignac number, because 118230837 - 2¹⁶ = 118165301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118230798 and 118230807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118230817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19705137 + ... + 19705142.

It is an arithmetic number, because the mean of its divisors is an integer number (39410280).

Almost surely, 2^118230837 is an apocalyptic number.

It is an amenable number.

118230837 is a deficient number, since it is larger than the sum of its proper divisors (39410283).

118230837 is an equidigital number, since it uses as much as digits as its factorization.

118230837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39410282.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 118230837 is about 10873.4004340868. The cubic root of 118230837 is about 490.8064424018.

The spelling of 118230837 in words is "one hundred eighteen million, two hundred thirty thousand, eight hundred thirty-seven".