122139226 has 8 divisors (see below), whose sum is σ = 199864224. Its totient is φ = 55517820.

The previous prime is 122139217. The next prime is 122139233. The reversal of 122139226 is 622931221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122139194 and 122139203.

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, 2775870 + ... + 2775913.

It is an arithmetic number, because the mean of its divisors is an integer number (24983028).

Almost surely, 2^122139226 is an apocalyptic number.

122139226 is a deficient number, since it is larger than the sum of its proper divisors (77724998).

122139226 is a wasteful number, since it uses less digits than its factorization.

122139226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551796.

The product of its digits is 2592, while the sum is 28.

The square root of 122139226 is about 11051.6616850137. The cubic root of 122139226 is about 496.1561601818.

The spelling of 122139226 in words is "one hundred twenty-two million, one hundred thirty-nine thousand, two hundred twenty-six".