126018036 has 72 divisors (see below), whose sum is σ = 329032704. Its totient is φ = 40642560.

The previous prime is 126018031. The next prime is 126018043. The reversal of 126018036 is 630810621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126018031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196276 + ... + 196916.

Almost surely, 2^126018036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126018036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164516352).

126018036 is an abundant number, since it is smaller than the sum of its proper divisors (203014668).

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

126018036 is a wasteful number, since it uses less digits than its factorization.

126018036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 126018036 is about 11225.7755188673. The cubic root of 126018036 is about 501.3537129482.

Adding to 126018036 its reverse (630810621), we get a palindrome (756828657).

The spelling of 126018036 in words is "one hundred twenty-six million, eighteen thousand, thirty-six".