122042356 has 12 divisors (see below), whose sum is σ = 213758692. Its totient is φ = 60968448.

The previous prime is 122042293. The next prime is 122042369. The reversal of 122042356 is 653240221.

It can be written as a sum of positive squares in 2 ways, for example, as 30074256 + 91968100 = 5484^2 + 9590^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 122042356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7725 + ... + 17428.

Almost surely, 2^122042356 is an apocalyptic number.

It is an amenable number.

122042356 is a deficient number, since it is larger than the sum of its proper divisors (91716336).

122042356 is a wasteful number, since it uses less digits than its factorization.

122042356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26370 (or 26368 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 122042356 is about 11047.2782168279. The cubic root of 122042356 is about 496.0249564706.

Adding to 122042356 its reverse (653240221), we get a palindrome (775282577).

The spelling of 122042356 in words is "one hundred twenty-two million, forty-two thousand, three hundred fifty-six".