122345559 has 40 divisors (see below), whose sum is σ = 213362688. Its totient is φ = 68409360.

The previous prime is 122345537. The next prime is 122345581. The reversal of 122345559 is 955543221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122345537) and next prime (122345581).

It is not a de Polignac number, because 122345559 - 2¹² = 122341463 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122345459) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24354 + ... + 28944.

Almost surely, 2^122345559 is an apocalyptic number.

122345559 is a deficient number, since it is larger than the sum of its proper divisors (91017129).

122345559 is an equidigital number, since it uses as much as digits as its factorization.

122345559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657 (or 4648 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 122345559 is about 11060.9926769707. The cubic root of 122345559 is about 496.4353928767.

The spelling of 122345559 in words is "one hundred twenty-two million, three hundred forty-five thousand, five hundred fifty-nine".