126227643 has 16 divisors (see below), whose sum is σ = 172785312. Its totient is φ = 81920000.

The previous prime is 126227627. The next prime is 126227653. The reversal of 126227643 is 346722621.

It is a cyclic number.

It is not a de Polignac number, because 126227643 - 2⁴ = 126227627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126227603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78043 + ... + 79643.

It is an arithmetic number, because the mean of its divisors is an integer number (10799082).

Almost surely, 2^126227643 is an apocalyptic number.

126227643 is a deficient number, since it is larger than the sum of its proper divisors (46557669).

126227643 is a wasteful number, since it uses less digits than its factorization.

126227643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286.

The product of its digits is 24192, while the sum is 33.

The square root of 126227643 is about 11235.1076096315. The cubic root of 126227643 is about 501.6315277770.

The spelling of 126227643 in words is "one hundred twenty-six million, two hundred twenty-seven thousand, six hundred forty-three".