126534012 has 48 divisors (see below), whose sum is σ = 325309824. Its totient is φ = 37960000.

The previous prime is 126534007. The next prime is 126534013. The reversal of 126534012 is 210435621.

It is a super-2 number, since 2×126534012² = 32021712385632288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126534013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8587 + ... + 18077.

It is an arithmetic number, because the mean of its divisors is an integer number (6777288).

Almost surely, 2^126534012 is an apocalyptic number.

126534012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126534012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162654912).

126534012 is an abundant number, since it is smaller than the sum of its proper divisors (198775812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126534012 is a wasteful number, since it uses less digits than its factorization.

126534012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9610 (or 9608 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 126534012 is about 11248.7337954100. The cubic root of 126534012 is about 502.0370390072.

Adding to 126534012 its reverse (210435621), we get a palindrome (336969633).

The spelling of 126534012 in words is "one hundred twenty-six million, five hundred thirty-four thousand, twelve".