102468991 has 2 divisors, whose sum is σ = 102468992. Its totient is φ = 102468990.

The previous prime is 102468967. The next prime is 102469049. The reversal of 102468991 is 199864201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102468991 - 2²³ = 94080383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102468931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51234495 + 51234496.

It is an arithmetic number, because the mean of its divisors is an integer number (51234496).

Almost surely, 2^102468991 is an apocalyptic number.

102468991 is a deficient number, since it is larger than the sum of its proper divisors (1).

102468991 is an equidigital number, since it uses as much as digits as its factorization.

102468991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 102468991 is about 10122.6968244633. The cubic root of 102468991 is about 467.9478827078.

The spelling of 102468991 in words is "one hundred two million, four hundred sixty-eight thousand, nine hundred ninety-one".