126273512 has 8 divisors (see below), whose sum is σ = 236762850. Its totient is φ = 63136752.

The previous prime is 126273503. The next prime is 126273541. The reversal of 126273512 is 215372621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 126202756 + 70756 = 11234^2 + 266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-4 number, since 4×126273512⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7892087 + ... + 7892102.

Almost surely, 2^126273512 is an apocalyptic number.

It is an amenable number.

126273512 is a deficient number, since it is larger than the sum of its proper divisors (110489338).

126273512 is a wasteful number, since it uses less digits than its factorization.

126273512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15784195 (or 15784191 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 126273512 is about 11237.1487486818. The cubic root of 126273512 is about 501.6922819021.

The spelling of 126273512 in words is "one hundred twenty-six million, two hundred seventy-three thousand, five hundred twelve".