126228143 has 4 divisors (see below), whose sum is σ = 127749048. Its totient is φ = 124707240.

The previous prime is 126228121. The next prime is 126228161. The reversal of 126228143 is 341822621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126228143 - 2⁶ = 126228079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126228173) 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, 760328 + ... + 760493.

It is an arithmetic number, because the mean of its divisors is an integer number (31937262).

Almost surely, 2^126228143 is an apocalyptic number.

126228143 is a deficient number, since it is larger than the sum of its proper divisors (1520905).

126228143 is an equidigital number, since it uses as much as digits as its factorization.

126228143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520904.

The product of its digits is 4608, while the sum is 29.

The square root of 126228143 is about 11235.1298612878. The cubic root of 126228143 is about 501.6321901132.

The spelling of 126228143 in words is "one hundred twenty-six million, two hundred twenty-eight thousand, one hundred forty-three".