122023156 has 12 divisors (see below), whose sum is σ = 216548640. Its totient is φ = 60152120.

The previous prime is 122023133. The next prime is 122023159. The reversal of 122023156 is 651320221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122023159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214546 + ... + 215113.

It is an arithmetic number, because the mean of its divisors is an integer number (18045720).

Almost surely, 2^122023156 is an apocalyptic number.

It is an amenable number.

122023156 is a deficient number, since it is larger than the sum of its proper divisors (94525484).

122023156 is a wasteful number, since it uses less digits than its factorization.

122023156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429734 (or 429732 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 122023156 is about 11046.4091903206. The cubic root of 122023156 is about 495.9989431559.

Adding to 122023156 its reverse (651320221), we get a palindrome (773343377).

The spelling of 122023156 in words is "one hundred twenty-two million, twenty-three thousand, one hundred fifty-six".