122403607 has 2 divisors, whose sum is σ = 122403608. Its totient is φ = 122403606.

The previous prime is 122403599. The next prime is 122403623. The reversal of 122403607 is 706304221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122403607 - 2³ = 122403599 is a prime.

It is a super-2 number, since 2×122403607² = 29965286013220898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122403647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61201803 + 61201804.

It is an arithmetic number, because the mean of its divisors is an integer number (61201804).

Almost surely, 2^122403607 is an apocalyptic number.

122403607 is a deficient number, since it is larger than the sum of its proper divisors (1).

122403607 is an equidigital number, since it uses as much as digits as its factorization.

122403607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 122403607 is about 11063.6163617508. The cubic root of 122403607 is about 496.5138932751.

Adding to 122403607 its reverse (706304221), we get a palindrome (828707828).

The spelling of 122403607 in words is "one hundred twenty-two million, four hundred three thousand, six hundred seven".