126586540 has 12 divisors (see below), whose sum is σ = 265831776. Its totient is φ = 50634608.

The previous prime is 126586459. The next prime is 126586543. The reversal of 126586540 is 45685621.

It is a self number, because there is not a number n which added to its sum of digits gives 126586540.

It is not an unprimeable number, because it can be changed into a prime (126586543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3164644 + ... + 3164683.

It is an arithmetic number, because the mean of its divisors is an integer number (22152648).

Almost surely, 2^126586540 is an apocalyptic number.

126586540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126586540 is an abundant number, since it is smaller than the sum of its proper divisors (139245236).

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

126586540 is a wasteful number, since it uses less digits than its factorization.

126586540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329336 (or 6329334 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 126586540 is about 11251.0683937127. The cubic root of 126586540 is about 502.1064995232.

The spelling of 126586540 in words is "one hundred twenty-six million, five hundred eighty-six thousand, five hundred forty".