126142063 has 4 divisors (see below), whose sum is σ = 126435168. Its totient is φ = 125848960.

The previous prime is 126142061. The next prime is 126142073. The reversal of 126142063 is 360241621.

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

It is a cyclic number.

It is not a de Polignac number, because 126142063 - 2¹ = 126142061 is a prime.

It is a super-3 number, since 3×126142063³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126142061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145906 + ... + 146767.

It is an arithmetic number, because the mean of its divisors is an integer number (31608792).

Almost surely, 2^126142063 is an apocalyptic number.

126142063 is a deficient number, since it is larger than the sum of its proper divisors (293105).

126142063 is an equidigital number, since it uses as much as digits as its factorization.

126142063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293104.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 126142063 is about 11231.2983666182. The cubic root of 126142063 is about 501.5181365244.

Adding to 126142063 its reverse (360241621), we get a palindrome (486383684).

The spelling of 126142063 in words is "one hundred twenty-six million, one hundred forty-two thousand, sixty-three".