123555226 has 8 divisors (see below), whose sum is σ = 186303744. Its totient is φ = 61453980.

The previous prime is 123555221. The next prime is 123555239. The reversal of 123555226 is 622555321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×123555226² = 30531787743822152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123555221) 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, 161340 + ... + 162103.

It is an arithmetic number, because the mean of its divisors is an integer number (23287968).

Almost surely, 2^123555226 is an apocalyptic number.

123555226 is a deficient number, since it is larger than the sum of its proper divisors (62748518).

123555226 is a wasteful number, since it uses less digits than its factorization.

123555226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323636.

The product of its digits is 18000, while the sum is 31.

The square root of 123555226 is about 11115.5398429406. The cubic root of 123555226 is about 498.0661648727.

The spelling of 123555226 in words is "one hundred twenty-three million, five hundred fifty-five thousand, two hundred twenty-six".