122153419 has 2 divisors, whose sum is σ = 122153420. Its totient is φ = 122153418.

The previous prime is 122153407. The next prime is 122153429. The reversal of 122153419 is 914351221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122153419 - 2⁵ = 122153387 is a prime.

It is a super-2 number, since 2×122153419² = 29842915546779122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122153429) 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, 61076709 + 61076710.

It is an arithmetic number, because the mean of its divisors is an integer number (61076710).

Almost surely, 2^122153419 is an apocalyptic number.

122153419 is a deficient number, since it is larger than the sum of its proper divisors (1).

122153419 is an equidigital number, since it uses as much as digits as its factorization.

122153419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 122153419 is about 11052.3037869939. The cubic root of 122153419 is about 496.1753777907.

The spelling of 122153419 in words is "one hundred twenty-two million, one hundred fifty-three thousand, four hundred nineteen".