126201642 has 32 divisors (see below), whose sum is σ = 305430912. Its totient is φ = 33936384.

The previous prime is 126201641. The next prime is 126201653. The reversal of 126201642 is 246102621.

It is not an unprimeable number, because it can be changed into a prime (126201641) 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, 87663 + ... + 89090.

It is an arithmetic number, because the mean of its divisors is an integer number (9544716).

Almost surely, 2^126201642 is an apocalyptic number.

126201642 is an abundant number, since it is smaller than the sum of its proper divisors (179229270).

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

126201642 is a wasteful number, since it uses less digits than its factorization.

126201642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176782.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 126201642 is about 11233.9504182634. The cubic root of 126201642 is about 501.5970825564.

The spelling of 126201642 in words is "one hundred twenty-six million, two hundred one thousand, six hundred forty-two".