102453251987 has 2 divisors, whose sum is σ = 102453251988. Its totient is φ = 102453251986.

The previous prime is 102453251969. The next prime is 102453252017. The reversal of 102453251987 is 789152354201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102453251987 - 2¹⁸ = 102452989843 is a prime.

It is not a weakly prime, because it can be changed into another prime (102453251587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51226625993 + 51226625994.

It is an arithmetic number, because the mean of its divisors is an integer number (51226625994).

Almost surely, 2^102453251987 is an apocalyptic number.

102453251987 is a deficient number, since it is larger than the sum of its proper divisors (1).

102453251987 is an equidigital number, since it uses as much as digits as its factorization.

102453251987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 102453251987 in words is "one hundred two billion, four hundred fifty-three million, two hundred fifty-one thousand, nine hundred eighty-seven".