122505403 has 2 divisors, whose sum is σ = 122505404. Its totient is φ = 122505402.

The previous prime is 122505391. The next prime is 122505433. The reversal of 122505403 is 304505221.

It is a weak prime.

It is an emirp because it is prime and its reverse (304505221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122505403 - 2⁵ = 122505371 is a prime.

It is not a weakly prime, because it can be changed into another prime (122505433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61252701 + 61252702.

It is an arithmetic number, because the mean of its divisors is an integer number (61252702).

Almost surely, 2^122505403 is an apocalyptic number.

122505403 is a deficient number, since it is larger than the sum of its proper divisors (1).

122505403 is an equidigital number, since it uses as much as digits as its factorization.

122505403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 122505403 is about 11068.2158905580. The cubic root of 122505403 is about 496.6514957655.

The spelling of 122505403 in words is "one hundred twenty-two million, five hundred five thousand, four hundred three".