126530612 has 24 divisors (see below), whose sum is σ = 238812672. Its totient is φ = 58312800.

The previous prime is 126530611. The next prime is 126530617. The reversal of 126530612 is 216035621.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126530611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46037 + ... + 48707.

It is an arithmetic number, because the mean of its divisors is an integer number (9950528).

Almost surely, 2^126530612 is an apocalyptic number.

It is an amenable number.

126530612 is a deficient number, since it is larger than the sum of its proper divisors (112282060).

126530612 is a wasteful number, since it uses less digits than its factorization.

126530612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599 (or 3597 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 126530612 is about 11248.5826662740. The cubic root of 126530612 is about 502.0325423474.

The spelling of 126530612 in words is "one hundred twenty-six million, five hundred thirty thousand, six hundred twelve".