122908403 has 2 divisors, whose sum is σ = 122908404. Its totient is φ = 122908402.

The previous prime is 122908399. The next prime is 122908411. The reversal of 122908403 is 304809221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122908403 - 2² = 122908399 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122908463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61454201 + 61454202.

It is an arithmetic number, because the mean of its divisors is an integer number (61454202).

Almost surely, 2^122908403 is an apocalyptic number.

122908403 is a deficient number, since it is larger than the sum of its proper divisors (1).

122908403 is an equidigital number, since it uses as much as digits as its factorization.

122908403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 122908403 is about 11086.4062256441. The cubic root of 122908403 is about 497.1955030038.

The spelling of 122908403 in words is "one hundred twenty-two million, nine hundred eight thousand, four hundred three".