102408654251 has 2 divisors, whose sum is σ = 102408654252. Its totient is φ = 102408654250.

The previous prime is 102408654203. The next prime is 102408654281. The reversal of 102408654251 is 152456804201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102408654251 - 2¹⁰ = 102408653227 is a prime.

It is not a weakly prime, because it can be changed into another prime (102408654281) 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, 51204327125 + 51204327126.

It is an arithmetic number, because the mean of its divisors is an integer number (51204327126).

Almost surely, 2^102408654251 is an apocalyptic number.

102408654251 is a deficient number, since it is larger than the sum of its proper divisors (1).

102408654251 is an equidigital number, since it uses as much as digits as its factorization.

102408654251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76800, while the sum is 38.

The spelling of 102408654251 in words is "one hundred two billion, four hundred eight million, six hundred fifty-four thousand, two hundred fifty-one".