122898431 has 2 divisors, whose sum is σ = 122898432. Its totient is φ = 122898430.

The previous prime is 122898401. The next prime is 122898449. The reversal of 122898431 is 134898221.

It is a strong prime.

It is an emirp because it is prime and its reverse (134898221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122898431 - 2⁶ = 122898367 is a prime.

It is a super-2 number, since 2×122898431² = 30208048684523522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122898401) 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, 61449215 + 61449216.

It is an arithmetic number, because the mean of its divisors is an integer number (61449216).

Almost surely, 2^122898431 is an apocalyptic number.

122898431 is a deficient number, since it is larger than the sum of its proper divisors (1).

122898431 is an equidigital number, since it uses as much as digits as its factorization.

122898431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 122898431 is about 11085.9564765518. The cubic root of 122898431 is about 497.1820562214.

The spelling of 122898431 in words is "one hundred twenty-two million, eight hundred ninety-eight thousand, four hundred thirty-one".