126428 has 6 divisors (see below), whose sum is σ = 221256. Its totient is φ = 63212.

The previous prime is 126421. The next prime is 126433. The reversal of 126428 is 824621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15800 + ... + 15807.

It is an arithmetic number, because the mean of its divisors is an integer number (36876).

2¹²⁶⁴²⁸ is an apocalyptic number.

It is an amenable number.

126428 is a deficient number, since it is larger than the sum of its proper divisors (94828).

126428 is a wasteful number, since it uses less digits than its factorization.

126428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31611 (or 31609 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 126428 is about 355.5671525886. The cubic root of 126428 is about 50.1896795237.

The spelling of 126428 in words is "one hundred twenty-six thousand, four hundred twenty-eight".