118187507 has 2 divisors, whose sum is σ = 118187508. Its totient is φ = 118187506.

The previous prime is 118187477. The next prime is 118187513. The reversal of 118187507 is 705781811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118187507 - 2¹⁰ = 118186483 is a prime.

It is not a weakly prime, because it can be changed into another prime (118187567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59093753 + 59093754.

It is an arithmetic number, because the mean of its divisors is an integer number (59093754).

Almost surely, 2^118187507 is an apocalyptic number.

118187507 is a deficient number, since it is larger than the sum of its proper divisors (1).

118187507 is an equidigital number, since it uses as much as digits as its factorization.

118187507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 38.

The square root of 118187507 is about 10871.4077745249. The cubic root of 118187507 is about 490.7464771051.

It can be divided in two parts, 1181 and 87507, that added together give a palindrome (88688).

The spelling of 118187507 in words is "one hundred eighteen million, one hundred eighty-seven thousand, five hundred seven".