126313620 has 48 divisors (see below), whose sum is σ = 362311488. Its totient is φ = 32861440.

The previous prime is 126313619. The next prime is 126313639. The reversal of 126313620 is 26313621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23214 + ... + 28133.

It is an arithmetic number, because the mean of its divisors is an integer number (7548156).

Almost surely, 2^126313620 is an apocalyptic number.

126313620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126313620 is an abundant number, since it is smaller than the sum of its proper divisors (235997868).

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

126313620 is a wasteful number, since it uses less digits than its factorization.

126313620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51400 (or 51398 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 126313620 is about 11238.9332233980. The cubic root of 126313620 is about 501.7453934472.

Subtracting from 126313620 its reverse (26313621), we obtain a palindrome (99999999).

The spelling of 126313620 in words is "one hundred twenty-six million, three hundred thirteen thousand, six hundred twenty".