122452439402987 has 2 divisors, whose sum is σ = 122452439402988. Its totient is φ = 122452439402986.

The previous prime is 122452439402983. The next prime is 122452439403031. The reversal of 122452439402987 is 789204934254221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122452439402987 - 2² = 122452439402983 is a prime.

It is not a weakly prime, because it can be changed into another prime (122452439402983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61226219701493 + 61226219701494.

It is an arithmetic number, because the mean of its divisors is an integer number (61226219701494).

Almost surely, 2^{122452439402987} is an apocalyptic number.

122452439402987 is a deficient number, since it is larger than the sum of its proper divisors (1).

122452439402987 is an equidigital number, since it uses as much as digits as its factorization.

122452439402987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 122452439402987 in words is "one hundred twenty-two trillion, four hundred fifty-two billion, four hundred thirty-nine million, four hundred two thousand, nine hundred eighty-seven".