102040907 has 2 divisors, whose sum is σ = 102040908. Its totient is φ = 102040906.

The previous prime is 102040889. The next prime is 102040927. The reversal of 102040907 is 709040201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102040907 - 2⁶ = 102040843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102040927) 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, 51020453 + 51020454.

It is an arithmetic number, because the mean of its divisors is an integer number (51020454).

Almost surely, 2^102040907 is an apocalyptic number.

102040907 is a deficient number, since it is larger than the sum of its proper divisors (1).

102040907 is an equidigital number, since it uses as much as digits as its factorization.

102040907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 102040907 is about 10101.5299336289. The cubic root of 102040907 is about 467.2953255826.

The spelling of 102040907 in words is "one hundred two million, forty thousand, nine hundred seven".