118998371 has 2 divisors, whose sum is σ = 118998372. Its totient is φ = 118998370.

The previous prime is 118998353. The next prime is 118998377. The reversal of 118998371 is 173899811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118998371 - 2¹⁸ = 118736227 is a prime.

It is a super-2 number, since 2×118998371² = 28321224601307282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118998377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59499185 + 59499186.

It is an arithmetic number, because the mean of its divisors is an integer number (59499186).

Almost surely, 2^118998371 is an apocalyptic number.

118998371 is a deficient number, since it is larger than the sum of its proper divisors (1).

118998371 is an equidigital number, since it uses as much as digits as its factorization.

118998371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 47.

The square root of 118998371 is about 10908.6374492876. The cubic root of 118998371 is about 491.8662290274.

The spelling of 118998371 in words is "one hundred eighteen million, nine hundred ninety-eight thousand, three hundred seventy-one".