126228481 has 4 divisors (see below), whose sum is σ = 126794752. Its totient is φ = 125662212.

The previous prime is 126228467. The next prime is 126228493. The reversal of 126228481 is 184822621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 184822621 = 4253 ⋅43457.

It is a cyclic number.

It is not a de Polignac number, because 126228481 - 2¹¹ = 126226433 is a prime.

It is a super-2 number, since 2×126228481² = 31867258831134722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126258481) 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, 282801 + ... + 283246.

It is an arithmetic number, because the mean of its divisors is an integer number (31698688).

Almost surely, 2^126228481 is an apocalyptic number.

It is an amenable number.

126228481 is a deficient number, since it is larger than the sum of its proper divisors (566271).

126228481 is an equidigital number, since it uses as much as digits as its factorization.

126228481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566270.

The product of its digits is 12288, while the sum is 34.

The square root of 126228481 is about 11235.1449033824. The cubic root of 126228481 is about 501.6326378515.

The spelling of 126228481 in words is "one hundred twenty-six million, two hundred twenty-eight thousand, four hundred eighty-one".