122340429 has 8 divisors (see below), whose sum is σ = 181245120. Its totient is φ = 81560268.

The previous prime is 122340419. The next prime is 122340437. The reversal of 122340429 is 924043221.

122340429 is a `hidden beast` number, since 1 + 2 + 234 + 0 + 429 = 666.

It is not a de Polignac number, because 122340429 - 2⁵ = 122340397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4531127 = 122340429 / (1 + 2 + 2 + 3 + 4 + 0 + 4 + 2 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122340409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265537 + ... + 2265590.

It is an arithmetic number, because the mean of its divisors is an integer number (22655640).

Almost surely, 2^122340429 is an apocalyptic number.

It is an amenable number.

122340429 is a deficient number, since it is larger than the sum of its proper divisors (58904691).

122340429 is an equidigital number, since it uses as much as digits as its factorization.

122340429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531136 (or 4531130 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 122340429 is about 11060.7607785360. The cubic root of 122340429 is about 496.4284541991.

The spelling of 122340429 in words is "one hundred twenty-two million, three hundred forty thousand, four hundred twenty-nine".