126440526 has 32 divisors (see below), whose sum is σ = 271440288. Its totient is φ = 39121920.

The previous prime is 126440519. The next prime is 126440533. The reversal of 126440526 is 625044621.

It is an interprime number because it is at equal distance from previous prime (126440519) and next prime (126440533).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126440493 and 126440502.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1045 + ... + 15936.

It is an arithmetic number, because the mean of its divisors is an integer number (8482509).

Almost surely, 2^126440526 is an apocalyptic number.

126440526 is an abundant number, since it is smaller than the sum of its proper divisors (144999762).

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

126440526 is a wasteful number, since it uses less digits than its factorization.

126440526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17076.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 126440526 is about 11244.5776265718. The cubic root of 126440526 is about 501.9133700239.

The spelling of 126440526 in words is "one hundred twenty-six million, four hundred forty thousand, five hundred twenty-six".