126008020 has 24 divisors (see below), whose sum is σ = 264910464. Its totient is φ = 50347296.

The previous prime is 126008009. The next prime is 126008021. The reversal of 126008020 is 20800621.

It is a happy number.

It is a super-2 number, since 2×126008020² = 31756042208640800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126008021) 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, 18297 + ... + 24223.

It is an arithmetic number, because the mean of its divisors is an integer number (11037936).

Almost surely, 2^126008020 is an apocalyptic number.

126008020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126008020 is an abundant number, since it is smaller than the sum of its proper divisors (138902444).

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

126008020 is a wasteful number, since it uses less digits than its factorization.

126008020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999 (or 6997 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 126008020 is about 11225.3293938307. The cubic root of 126008020 is about 501.3404299505.

Adding to 126008020 its reverse (20800621), we get a palindrome (146808641).

The spelling of 126008020 in words is "one hundred twenty-six million, eight thousand, twenty".