122340442 has 16 divisors (see below), whose sum is σ = 210288960. Its totient is φ = 52291008.

The previous prime is 122340437. The next prime is 122340443. The reversal of 122340442 is 244043221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122340443) 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, 6223 + ... + 16834.

It is an arithmetic number, because the mean of its divisors is an integer number (13143060).

Almost surely, 2^122340442 is an apocalyptic number.

122340442 is a deficient number, since it is larger than the sum of its proper divisors (87948518).

122340442 is a wasteful number, since it uses less digits than its factorization.

122340442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23445.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 122340442 is about 11060.7613661990. The cubic root of 122340442 is about 496.4284717827.

Adding to 122340442 its reverse (244043221), we get a palindrome (366383663).

The spelling of 122340442 in words is "one hundred twenty-two million, three hundred forty thousand, four hundred forty-two".