122040342 has 12 divisors (see below), whose sum is σ = 264420780. Its totient is φ = 40680108.

The previous prime is 122040337. The next prime is 122040349. The reversal of 122040342 is 243040221.

122040342 is a `hidden beast` number, since 1 + 220 + 403 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6780019 = 122040342 / (1 + 2 + 2 + 0 + 4 + 0 + 3 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122040349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3389992 + ... + 3390027.

It is an arithmetic number, because the mean of its divisors is an integer number (22035065).

Almost surely, 2^122040342 is an apocalyptic number.

122040342 is an abundant number, since it is smaller than the sum of its proper divisors (142380438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122040342 is a wasteful number, since it uses less digits than its factorization.

122040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780027 (or 6780024 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 122040342 is about 11047.1870627776. The cubic root of 122040342 is about 496.0222279104.

Adding to 122040342 its reverse (243040221), we get a palindrome (365080563).

The spelling of 122040342 in words is "one hundred twenty-two million, forty thousand, three hundred forty-two".