118901197 has 2 divisors, whose sum is σ = 118901198. Its totient is φ = 118901196.

The previous prime is 118901173. The next prime is 118901257. The reversal of 118901197 is 791109811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105144516 + 13756681 = 10254^2 + 3709^2 .

It is an emirp because it is prime and its reverse (791109811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118901197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118901137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59450598 + 59450599.

It is an arithmetic number, because the mean of its divisors is an integer number (59450599).

Almost surely, 2^118901197 is an apocalyptic number.

It is an amenable number.

118901197 is a deficient number, since it is larger than the sum of its proper divisors (1).

118901197 is an equidigital number, since it uses as much as digits as its factorization.

118901197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 37.

The square root of 118901197 is about 10904.1825461609. The cubic root of 118901197 is about 491.7323066757.

It can be divided in two parts, 11890119 and 7, that added together give a triangular number (11890126 = T₄₈₇₆).

The spelling of 118901197 in words is "one hundred eighteen million, nine hundred one thousand, one hundred ninety-seven".