122451503249 has 2 divisors, whose sum is σ = 122451503250. Its totient is φ = 122451503248.

The previous prime is 122451503179. The next prime is 122451503263. The reversal of 122451503249 is 942305154221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114876934225 + 7574569024 = 338935^2 + 87032^2 .

It is a cyclic number.

It is not a de Polignac number, because 122451503249 - 2¹² = 122451499153 is a prime.

It is not a weakly prime, because it can be changed into another prime (122451503549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61225751624 + 61225751625.

It is an arithmetic number, because the mean of its divisors is an integer number (61225751625).

Almost surely, 2^122451503249 is an apocalyptic number.

It is an amenable number.

122451503249 is a deficient number, since it is larger than the sum of its proper divisors (1).

122451503249 is an equidigital number, since it uses as much as digits as its factorization.

122451503249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 122451503249 in words is "one hundred twenty-two billion, four hundred fifty-one million, five hundred three thousand, two hundred forty-nine".