126534220 has 24 divisors (see below), whose sum is σ = 266212800. Its totient is φ = 50520192.

The previous prime is 126534211. The next prime is 126534259. The reversal of 126534220 is 22435621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5821 + ... + 16939.

It is an arithmetic number, because the mean of its divisors is an integer number (11092200).

Almost surely, 2^126534220 is an apocalyptic number.

126534220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126534220 is an abundant number, since it is smaller than the sum of its proper divisors (139678580).

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

126534220 is a wasteful number, since it uses less digits than its factorization.

126534220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11697 (or 11695 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 126534220 is about 11248.7430408913. The cubic root of 126534220 is about 502.0373140943.

Adding to 126534220 its reverse (22435621), we get a palindrome (148969841).

The spelling of 126534220 in words is "one hundred twenty-six million, five hundred thirty-four thousand, two hundred twenty".