122143356 has 24 divisors (see below), whose sum is σ = 316668240. Its totient is φ = 40714416.

The previous prime is 122143339. The next prime is 122143361. The reversal of 122143356 is 653341221.

122143356 is a `hidden beast` number, since 1 + 221 + 433 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565371 + ... + 565586.

It is an arithmetic number, because the mean of its divisors is an integer number (13194510).

Almost surely, 2^122143356 is an apocalyptic number.

It is an amenable number.

122143356 is an abundant number, since it is smaller than the sum of its proper divisors (194524884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122143356 is a wasteful number, since it uses less digits than its factorization.

122143356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130970 (or 1130962 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 122143356 is about 11051.8485331640. The cubic root of 122143356 is about 496.1617524388.

Adding to 122143356 its reverse (653341221), we get a palindrome (775484577).

The spelling of 122143356 in words is "one hundred twenty-two million, one hundred forty-three thousand, three hundred fifty-six".