126432272 has 10 divisors (see below), whose sum is σ = 244962558. Its totient is φ = 63216128.

The previous prime is 126432263. The next prime is 126432287. The reversal of 126432272 is 272234621.

It can be written as a sum of positive squares in only one way, i.e., 125798656 + 633616 = 11216^2 + 796^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3950993 + ... + 3951024.

Almost surely, 2^126432272 is an apocalyptic number.

It is an amenable number.

126432272 is a deficient number, since it is larger than the sum of its proper divisors (118530286).

126432272 is an equidigital number, since it uses as much as digits as its factorization.

126432272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902025 (or 7902019 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 126432272 is about 11244.2105992373. The cubic root of 126432272 is about 501.9024482010.

Adding to 126432272 its reverse (272234621), we get a palindrome (398666893).

The spelling of 126432272 in words is "one hundred twenty-six million, four hundred thirty-two thousand, two hundred seventy-two".