126512 has 10 divisors (see below), whose sum is σ = 245148. Its totient is φ = 63248.

The previous prime is 126499. The next prime is 126517. The reversal of 126512 is 215621.

It is a super-2 number, since 2×126512² = 32010572288, which contains 22 as substring.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (126517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3938 + ... + 3969.

2¹²⁶⁵¹² is an apocalyptic number.

It is an amenable number.

126512 is a deficient number, since it is larger than the sum of its proper divisors (118636).

126512 is an equidigital number, since it uses as much as digits as its factorization.

126512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7915 (or 7909 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 126512 is about 355.6852541222. The cubic root of 126512 is about 50.2007925675.

The spelling of 126512 in words is "one hundred twenty-six thousand, five hundred twelve".