126221160 has 64 divisors (see below), whose sum is σ = 407796480. Its totient is φ = 31069440.

The previous prime is 126221149. The next prime is 126221167. The reversal of 126221160 is 61122621.

It is not an unprimeable number, because it can be changed into a prime (126221167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38896 + ... + 42015.

It is an arithmetic number, because the mean of its divisors is an integer number (6371820).

Almost surely, 2^126221160 is an apocalyptic number.

126221160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126221160 is an abundant number, since it is smaller than the sum of its proper divisors (281575320).

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

126221160 is a wasteful number, since it uses less digits than its factorization.

126221160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80938 (or 80934 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 126221160 is about 11234.8190906663. The cubic root of 126221160 is about 501.6229397667.

Adding to 126221160 its reverse (61122621), we get a palindrome (187343781).

It can be divided in two parts, 1262 and 21160, that added together give a palindrome (22422).

The spelling of 126221160 in words is "one hundred twenty-six million, two hundred twenty-one thousand, one hundred sixty".