126689222 has 8 divisors (see below), whose sum is σ = 207309672. Its totient is φ = 57586000.

The previous prime is 126689209. The next prime is 126689261. The reversal of 126689222 is 222986621.

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

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, 2879279 + ... + 2879322.

It is an arithmetic number, because the mean of its divisors is an integer number (25913709).

Almost surely, 2^126689222 is an apocalyptic number.

126689222 is a deficient number, since it is larger than the sum of its proper divisors (80620450).

126689222 is a wasteful number, since it uses less digits than its factorization.

126689222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758614.

The product of its digits is 41472, while the sum is 38.

The square root of 126689222 is about 11255.6306797976. The cubic root of 126689222 is about 502.2422258162.

The spelling of 126689222 in words is "one hundred twenty-six million, six hundred eighty-nine thousand, two hundred twenty-two".