118101493 has 2 divisors, whose sum is σ = 118101494. Its totient is φ = 118101492.

The previous prime is 118101461. The next prime is 118101541. The reversal of 118101493 is 394101811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83137924 + 34963569 = 9118^2 + 5913^2 .

It is an emirp because it is prime and its reverse (394101811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118101493 - 2⁵ = 118101461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118101593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59050746 + 59050747.

It is an arithmetic number, because the mean of its divisors is an integer number (59050747).

Almost surely, 2^118101493 is an apocalyptic number.

It is an amenable number.

118101493 is a deficient number, since it is larger than the sum of its proper divisors (1).

118101493 is an equidigital number, since it uses as much as digits as its factorization.

118101493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 118101493 is about 10867.4510810953. The cubic root of 118101493 is about 490.6273970862.

The spelling of 118101493 in words is "one hundred eighteen million, one hundred one thousand, four hundred ninety-three".