126011272 has 16 divisors (see below), whose sum is σ = 238363740. Its totient is φ = 62447616.

The previous prime is 126011269. The next prime is 126011321. The reversal of 126011272 is 272110621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 124679556 + 1331716 = 11166^2 + 1154^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68793 + ... + 70600.

Almost surely, 2^126011272 is an apocalyptic number.

It is an amenable number.

126011272 is a deficient number, since it is larger than the sum of its proper divisors (112352468).

126011272 is a wasteful number, since it uses less digits than its factorization.

126011272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139512 (or 139508 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 126011272 is about 11225.4742438794. The cubic root of 126011272 is about 501.3447427582.

Adding to 126011272 its reverse (272110621), we get a palindrome (398121893).

The spelling of 126011272 in words is "one hundred twenty-six million, eleven thousand, two hundred seventy-two".