122342156 has 12 divisors (see below), whose sum is σ = 214460400. Its totient is φ = 61067760.

The previous prime is 122342153. The next prime is 122342161. The reversal of 122342156 is 651243221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122342153) 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 3 ways as a sum of consecutive naturals, for example, 23135 + ... + 27926.

It is an arithmetic number, because the mean of its divisors is an integer number (17871700).

Almost surely, 2^122342156 is an apocalyptic number.

It is an amenable number.

122342156 is a deficient number, since it is larger than the sum of its proper divisors (92118244).

122342156 is a wasteful number, since it uses less digits than its factorization.

122342156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51664 (or 51662 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 122342156 is about 11060.8388470314. The cubic root of 122342156 is about 496.4307901069.

Adding to 122342156 its reverse (651243221), we get a palindrome (773585377).

The spelling of 122342156 in words is "one hundred twenty-two million, three hundred forty-two thousand, one hundred fifty-six".