122899801 has 2 divisors, whose sum is σ = 122899802. Its totient is φ = 122899800.

The previous prime is 122899759. The next prime is 122899849. The reversal of 122899801 is 108998221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110754576 + 12145225 = 10524^2 + 3485^2 .

It is a cyclic number.

It is not a de Polignac number, because 122899801 - 2¹⁵ = 122867033 is a prime.

It is a super-2 number, since 2×122899801² = 30208722171679202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122899901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61449900 + 61449901.

It is an arithmetic number, because the mean of its divisors is an integer number (61449901).

Almost surely, 2^122899801 is an apocalyptic number.

It is an amenable number.

122899801 is a deficient number, since it is larger than the sum of its proper divisors (1).

122899801 is an equidigital number, since it uses as much as digits as its factorization.

122899801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 122899801 is about 11086.0182662667. The cubic root of 122899801 is about 497.1839036463.

The spelling of 122899801 in words is "one hundred twenty-two million, eight hundred ninety-nine thousand, eight hundred one".