122345407 has 2 divisors, whose sum is σ = 122345408. Its totient is φ = 122345406.

The previous prime is 122345401. The next prime is 122345411. The reversal of 122345407 is 704543221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122345407 - 2¹¹ = 122343359 is a prime.

It is a super-2 number, since 2×122345407² = 29936797227991298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122345401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61172703 + 61172704.

It is an arithmetic number, because the mean of its divisors is an integer number (61172704).

Almost surely, 2^122345407 is an apocalyptic number.

122345407 is a deficient number, since it is larger than the sum of its proper divisors (1).

122345407 is an equidigital number, since it uses as much as digits as its factorization.

122345407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 122345407 is about 11060.9858059759. The cubic root of 122345407 is about 496.4351872890.

Adding to 122345407 its reverse (704543221), we get a palindrome (826888628).

The spelling of 122345407 in words is "one hundred twenty-two million, three hundred forty-five thousand, four hundred seven".