118242419 has 2 divisors, whose sum is σ = 118242420. Its totient is φ = 118242418.

The previous prime is 118242403. The next prime is 118242457. The reversal of 118242419 is 914242811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118242419 - 2⁴ = 118242403 is a prime.

It is a super-2 number, since 2×118242419² = 27962539301943122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (118241419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59121209 + 59121210.

It is an arithmetic number, because the mean of its divisors is an integer number (59121210).

Almost surely, 2^118242419 is an apocalyptic number.

118242419 is a deficient number, since it is larger than the sum of its proper divisors (1).

118242419 is an equidigital number, since it uses as much as digits as its factorization.

118242419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The square root of 118242419 is about 10873.9330051274. The cubic root of 118242419 is about 490.8224684932.

It can be divided in two parts, 11 and 8242419, that multiplied together give a palindrome (90666609).

The spelling of 118242419 in words is "one hundred eighteen million, two hundred forty-two thousand, four hundred nineteen".