118560919 has 2 divisors, whose sum is σ = 118560920. Its totient is φ = 118560918.

The previous prime is 118560917. The next prime is 118560991. The reversal of 118560919 is 919065811.

Together with next prime (118560991) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118560919 - 2¹ = 118560917 is a prime.

It is a super-2 number, since 2×118560919² = 28113383028249122, which contains 22 as substring.

Together with 118560917, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118560917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59280459 + 59280460.

It is an arithmetic number, because the mean of its divisors is an integer number (59280460).

Almost surely, 2^118560919 is an apocalyptic number.

118560919 is a deficient number, since it is larger than the sum of its proper divisors (1).

118560919 is an equidigital number, since it uses as much as digits as its factorization.

118560919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 118560919 is about 10888.5682713569. The cubic root of 118560919 is about 491.2627696007.

The spelling of 118560919 in words is "one hundred eighteen million, five hundred sixty thousand, nine hundred nineteen".