126422146 has 4 divisors (see below), whose sum is σ = 189633222. Its totient is φ = 63211072.

The previous prime is 126422129. The next prime is 126422161. The reversal of 126422146 is 641224621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123321025 + 3101121 = 11105^2 + 1761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31605535 + ... + 31605538.

Almost surely, 2^126422146 is an apocalyptic number.

126422146 is a deficient number, since it is larger than the sum of its proper divisors (63211076).

126422146 is an equidigital number, since it uses as much as digits as its factorization.

126422146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63211075.

The product of its digits is 4608, while the sum is 28.

The square root of 126422146 is about 11243.7603140586. The cubic root of 126422146 is about 501.8890486688.

Adding to 126422146 its reverse (641224621), we get a palindrome (767646767).

The spelling of 126422146 in words is "one hundred twenty-six million, four hundred twenty-two thousand, one hundred forty-six".