126194642 has 32 divisors (see below), whose sum is σ = 223585920. Its totient is φ = 52289280.

The previous prime is 126194557. The next prime is 126194647. The reversal of 126194642 is 246491621.

It is not an unprimeable number, because it can be changed into a prime (126194647) 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, 92042 + ... + 93402.

It is an arithmetic number, because the mean of its divisors is an integer number (6987060).

Almost surely, 2^126194642 is an apocalyptic number.

126194642 is a deficient number, since it is larger than the sum of its proper divisors (97391278).

126194642 is a wasteful number, since it uses less digits than its factorization.

126194642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its digits is 20736, while the sum is 35.

The square root of 126194642 is about 11233.6388583575. The cubic root of 126194642 is about 501.5878083916.

The spelling of 126194642 in words is "one hundred twenty-six million, one hundred ninety-four thousand, six hundred forty-two".