126572 has 6 divisors (see below), whose sum is σ = 221508. Its totient is φ = 63284.

The previous prime is 126551. The next prime is 126583. The reversal of 126572 is 275621.

It is an unprimeable number.

126572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15818 + ... + 15825.

It is an arithmetic number, because the mean of its divisors is an integer number (36918).

2¹²⁶⁵⁷² is an apocalyptic number.

It is an amenable number.

126572 is a deficient number, since it is larger than the sum of its proper divisors (94936).

126572 is a wasteful number, since it uses less digits than its factorization.

126572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31647 (or 31645 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 126572 is about 355.7695883574. The cubic root of 126572 is about 50.2087274446.

The spelling of 126572 in words is "one hundred twenty-six thousand, five hundred seventy-two".