126223320 has 64 divisors (see below), whose sum is σ = 390896640. Its totient is φ = 32572800.

The previous prime is 126223319. The next prime is 126223337. The reversal of 126223320 is 23322621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13246 + ... + 20685.

It is an arithmetic number, because the mean of its divisors is an integer number (6107760).

Almost surely, 2^126223320 is an apocalyptic number.

126223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126223320 is an abundant number, since it is smaller than the sum of its proper divisors (264673320).

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

126223320 is a wasteful number, since it uses less digits than its factorization.

126223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33976 (or 33972 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 126223320 is about 11234.9152199738. The cubic root of 126223320 is about 501.6258011448.

Adding to 126223320 its reverse (23322621), we get a palindrome (149545941).

It can be divided in two parts, 126 and 223320, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 126223320 in words is "one hundred twenty-six million, two hundred twenty-three thousand, three hundred twenty".