122449259 has 4 divisors (see below), whose sum is σ = 122480304. Its totient is φ = 122418216.

The previous prime is 122449231. The next prime is 122449291. The reversal of 122449259 is 952944221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952944221 = 19 ⋅50154959.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122449259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122440259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8567 + ... + 17840.

It is an arithmetic number, because the mean of its divisors is an integer number (30620076).

Almost surely, 2^122449259 is an apocalyptic number.

122449259 is a deficient number, since it is larger than the sum of its proper divisors (31045).

122449259 is an equidigital number, since it uses as much as digits as its factorization.

122449259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31044.

The product of its digits is 51840, while the sum is 38.

The square root of 122449259 is about 11065.6793284461. The cubic root of 122449259 is about 496.5756126841.

The spelling of 122449259 in words is "one hundred twenty-two million, four hundred forty-nine thousand, two hundred fifty-nine".