118873507 has 2 divisors, whose sum is σ = 118873508. Its totient is φ = 118873506.

The previous prime is 118873471. The next prime is 118873511. The reversal of 118873507 is 705378811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118873507 - 2¹⁵ = 118840739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118873507.

It is not a weakly prime, because it can be changed into another prime (118873577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59436753 + 59436754.

It is an arithmetic number, because the mean of its divisors is an integer number (59436754).

Almost surely, 2^118873507 is an apocalyptic number.

118873507 is a deficient number, since it is larger than the sum of its proper divisors (1).

118873507 is an equidigital number, since it uses as much as digits as its factorization.

118873507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 118873507 is about 10902.9127759512. The cubic root of 118873507 is about 491.6941317735.

It can be divided in two parts, 11887350 and 7, that multiplied together give a triangular number (83211450 = T₁₂₉₀₀).

The spelling of 118873507 in words is "one hundred eighteen million, eight hundred seventy-three thousand, five hundred seven".