126063642 has 16 divisors (see below), whose sum is σ = 252252000. Its totient is φ = 42000432.

The previous prime is 126063631. The next prime is 126063647. The reversal of 126063642 is 246360621.

It is not an unprimeable number, because it can be changed into a prime (126063647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12673 + ... + 20315.

It is an arithmetic number, because the mean of its divisors is an integer number (15765750).

Almost surely, 2^126063642 is an apocalyptic number.

126063642 is an abundant number, since it is smaller than the sum of its proper divisors (126188358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126063642 is a wasteful number, since it uses less digits than its factorization.

126063642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10397.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 126063642 is about 11227.8066424391. The cubic root of 126063642 is about 501.4141857198.

The spelling of 126063642 in words is "one hundred twenty-six million, sixty-three thousand, six hundred forty-two".