122428250665 has 16 divisors (see below), whose sum is σ = 168261155712. Its totient is φ = 83771023104.

The previous prime is 122428250611. The next prime is 122428250671. The reversal of 122428250665 is 566052824221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122428250665 - 2¹⁵ = 122428217897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3728784 + ... + 3761473.

It is an arithmetic number, because the mean of its divisors is an integer number (10516322232).

Almost surely, 2^122428250665 is an apocalyptic number.

It is an amenable number.

122428250665 is a deficient number, since it is larger than the sum of its proper divisors (45832905047).

122428250665 is an equidigital number, since it uses as much as digits as its factorization.

122428250665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490736.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 122428250665 in words is "one hundred twenty-two billion, four hundred twenty-eight million, two hundred fifty thousand, six hundred sixty-five".