126715222 has 8 divisors (see below), whose sum is σ = 191239416. Its totient is φ = 62968752.

The previous prime is 126715217. The next prime is 126715223. The reversal of 126715222 is 222517621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126715223) 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, 194023 + ... + 194674.

It is an arithmetic number, because the mean of its divisors is an integer number (23904927).

Almost surely, 2^126715222 is an apocalyptic number.

126715222 is a deficient number, since it is larger than the sum of its proper divisors (64524194).

126715222 is a wasteful number, since it uses less digits than its factorization.

126715222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388862.

The product of its digits is 3360, while the sum is 28.

The square root of 126715222 is about 11256.7855980293. The cubic root of 126715222 is about 502.2765812898.

The spelling of 126715222 in words is "one hundred twenty-six million, seven hundred fifteen thousand, two hundred twenty-two".