6426120252 has 12 divisors (see below), whose sum is σ = 14994280616. Its totient is φ = 2142040080.

The previous prime is 6426120247. The next prime is 6426120257. The reversal of 6426120252 is 2520216246.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6426120247) and next prime (6426120257).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426120257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267754999 + ... + 267755022.

Almost surely, 2^6426120252 is an apocalyptic number.

It is an amenable number.

6426120252 is an abundant number, since it is smaller than the sum of its proper divisors (8568160364).

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

6426120252 is a wasteful number, since it uses less digits than its factorization.

6426120252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535510028 (or 535510026 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6426120252 is about 80163.0853448144. The cubic root of 6426120252 is about 1859.1579273032.

Adding to 6426120252 its reverse (2520216246), we get a palindrome (8946336498).

The spelling of 6426120252 in words is "six billion, four hundred twenty-six million, one hundred twenty thousand, two hundred fifty-two".