126511312 has 10 divisors (see below), whose sum is σ = 245115698. Its totient is φ = 63255648.

The previous prime is 126511277. The next prime is 126511313. The reversal of 126511312 is 213115621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 124188736 + 2322576 = 11144^2 + 1524^2 .

It is a super-2 number, since 2×126511312² = 32010224127922688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126511313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3953463 + ... + 3953494.

Almost surely, 2^126511312 is an apocalyptic number.

It is an amenable number.

126511312 is a deficient number, since it is larger than the sum of its proper divisors (118604386).

126511312 is an equidigital number, since it uses as much as digits as its factorization.

126511312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7906965 (or 7906959 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 126511312 is about 11247.7247476990. The cubic root of 126511312 is about 502.0070156636.

Adding to 126511312 its reverse (213115621), we get a palindrome (339626933).

The spelling of 126511312 in words is "one hundred twenty-six million, five hundred eleven thousand, three hundred twelve".