122552156 has 12 divisors (see below), whose sum is σ = 217050792. Its totient is φ = 60537648.

The previous prime is 122552141. The next prime is 122552197. The reversal of 122552156 is 651255221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184235 + ... + 184898.

It is an arithmetic number, because the mean of its divisors is an integer number (18087566).

Almost surely, 2^122552156 is an apocalyptic number.

It is an amenable number.

122552156 is a deficient number, since it is larger than the sum of its proper divisors (94498636).

122552156 is a wasteful number, since it uses less digits than its factorization.

122552156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369220 (or 369218 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 122552156 is about 11070.3277277595. The cubic root of 122552156 is about 496.7146684734.

It can be divided in two parts, 12255215 and 6, that added together give a palindrome (12255221).

The spelling of 122552156 in words is "one hundred twenty-two million, five hundred fifty-two thousand, one hundred fifty-six".