102949907 has 2 divisors, whose sum is σ = 102949908. Its totient is φ = 102949906.

The previous prime is 102949849. The next prime is 102949921. The reversal of 102949907 is 709949201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102949907 - 2⁶ = 102949843 is a prime.

It is not a weakly prime, because it can be changed into another prime (102949307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51474953 + 51474954.

It is an arithmetic number, because the mean of its divisors is an integer number (51474954).

Almost surely, 2^102949907 is an apocalyptic number.

102949907 is a deficient number, since it is larger than the sum of its proper divisors (1).

102949907 is an equidigital number, since it uses as much as digits as its factorization.

102949907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 102949907 is about 10146.4233599826. The cubic root of 102949907 is about 468.6788110676.

The spelling of 102949907 in words is "one hundred two million, nine hundred forty-nine thousand, nine hundred seven".