126847220 has 12 divisors (see below), whose sum is σ = 266379204. Its totient is φ = 50738880.

The previous prime is 126847199. The next prime is 126847223. The reversal of 126847220 is 22748621.

It can be written as a sum of positive squares in 2 ways, for example, as 56220004 + 70627216 = 7498^2 + 8404^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126847223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3171161 + ... + 3171200.

It is an arithmetic number, because the mean of its divisors is an integer number (22198267).

Almost surely, 2^126847220 is an apocalyptic number.

126847220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126847220 is an abundant number, since it is smaller than the sum of its proper divisors (139531984).

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

126847220 is a wasteful number, since it uses less digits than its factorization.

126847220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342370 (or 6342368 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 126847220 is about 11262.6471133566. The cubic root of 126847220 is about 502.4509262902.

The spelling of 126847220 in words is "one hundred twenty-six million, eight hundred forty-seven thousand, two hundred twenty".