118380953 has 2 divisors, whose sum is σ = 118380954. Its totient is φ = 118380952.

The previous prime is 118380949. The next prime is 118381037. The reversal of 118380953 is 359083811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118309129 + 71824 = 10877^2 + 268^2 .

It is an emirp because it is prime and its reverse (359083811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118380953 - 2² = 118380949 is a prime.

It is not a weakly prime, because it can be changed into another prime (118380923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59190476 + 59190477.

It is an arithmetic number, because the mean of its divisors is an integer number (59190477).

Almost surely, 2^118380953 is an apocalyptic number.

It is an amenable number.

118380953 is a deficient number, since it is larger than the sum of its proper divisors (1).

118380953 is an equidigital number, since it uses as much as digits as its factorization.

118380953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 118380953 is about 10880.3011447294. The cubic root of 118380953 is about 491.0140778522.

The spelling of 118380953 in words is "one hundred eighteen million, three hundred eighty thousand, nine hundred fifty-three".