122464393 has 4 divisors (see below), whose sum is σ = 124472068. Its totient is φ = 120456720.

The previous prime is 122464337. The next prime is 122464399. The reversal of 122464393 is 393464221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55175184 + 67289209 = 7428^2 + 8203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122464393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122464399) 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, 1003746 + ... + 1003867.

It is an arithmetic number, because the mean of its divisors is an integer number (31118017).

Almost surely, 2^122464393 is an apocalyptic number.

It is an amenable number.

122464393 is a deficient number, since it is larger than the sum of its proper divisors (2007675).

122464393 is an equidigital number, since it uses as much as digits as its factorization.

122464393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007674.

The product of its digits is 31104, while the sum is 34.

The square root of 122464393 is about 11066.3631333876. The cubic root of 122464393 is about 496.5960697719.

The spelling of 122464393 in words is "one hundred twenty-two million, four hundred sixty-four thousand, three hundred ninety-three".