122555252 has 6 divisors (see below), whose sum is σ = 214471698. Its totient is φ = 61277624.

The previous prime is 122555249. The next prime is 122555269. The reversal of 122555252 is 252555221.

It can be written as a sum of positive squares in only one way, i.e., 68326756 + 54228496 = 8266^2 + 7364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15319403 + ... + 15319410.

It is an arithmetic number, because the mean of its divisors is an integer number (35745283).

Almost surely, 2^122555252 is an apocalyptic number.

It is an amenable number.

122555252 is a deficient number, since it is larger than the sum of its proper divisors (91916446).

122555252 is a wasteful number, since it uses less digits than its factorization.

122555252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30638817 (or 30638815 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 122555252 is about 11070.4675601349. The cubic root of 122555252 is about 496.7188512250.

The spelling of 122555252 in words is "one hundred twenty-two million, five hundred fifty-five thousand, two hundred fifty-two".