126142011 has 6 divisors (see below), whose sum is σ = 182205140. Its totient is φ = 84094668.

The previous prime is 126141997. The next prime is 126142019. The reversal of 126142011 is 110241621.

It is not a de Polignac number, because 126142011 - 2¹⁴ = 126125627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126142019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7007881 + ... + 7007898.

Almost surely, 2^126142011 is an apocalyptic number.

126142011 is a deficient number, since it is larger than the sum of its proper divisors (56063129).

126142011 is a wasteful number, since it uses less digits than its factorization.

126142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015785 (or 14015782 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 126142011 is about 11231.2960516585. The cubic root of 126142011 is about 501.5180676102.

Adding to 126142011 its reverse (110241621), we get a palindrome (236383632).

The spelling of 126142011 in words is "one hundred twenty-six million, one hundred forty-two thousand, eleven".