101964091 has 2 divisors, whose sum is σ = 101964092. Its totient is φ = 101964090.

The previous prime is 101964077. The next prime is 101964097. The reversal of 101964091 is 190469101.

It is a strong prime.

It is an emirp because it is prime and its reverse (190469101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101964091 - 2⁷ = 101963963 is a prime.

It is not a weakly prime, because it can be changed into another prime (101964097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50982045 + 50982046.

It is an arithmetic number, because the mean of its divisors is an integer number (50982046).

Almost surely, 2^101964091 is an apocalyptic number.

101964091 is a deficient number, since it is larger than the sum of its proper divisors (1).

101964091 is an equidigital number, since it uses as much as digits as its factorization.

101964091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 101964091 is about 10097.7270214638. The cubic root of 101964091 is about 467.1780367751.

The spelling of 101964091 in words is "one hundred one million, nine hundred sixty-four thousand, ninety-one".