126472 has 8 divisors (see below), whose sum is σ = 237150. Its totient is φ = 63232.
The previous prime is 126461. The next prime is 126473. The reversal of 126472 is 274621.
It can be written as a sum of positive squares in only one way, i.e., 125316 + 1156 = 354^2 + 34^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (126473) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7897 + ... + 7912.
2126472 is an apocalyptic number.
It is an amenable number.
126472 is a deficient number, since it is larger than the sum of its proper divisors (110678).
126472 is a wasteful number, since it uses less digits than its factorization.
126472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15815 (or 15811 counting only the distinct ones).
The product of its digits is 672, while the sum is 22.
The square root of 126472 is about 355.6290201882. The cubic root of 126472 is about 50.1955012556.
The spelling of 126472 in words is "one hundred twenty-six thousand, four hundred seventy-two".
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