126725043 has 8 divisors (see below), whose sum is σ = 169030800. Its totient is φ = 84451328.

The previous prime is 126725033. The next prime is 126725051. The reversal of 126725043 is 340527621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126725043 - 2¹⁰ = 126724019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126725043.

It is not an unprimeable number, because it can be changed into a prime (126725033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3643 + ... + 16331.

It is an arithmetic number, because the mean of its divisors is an integer number (21128850).

Almost surely, 2^126725043 is an apocalyptic number.

126725043 is a deficient number, since it is larger than the sum of its proper divisors (42305757).

126725043 is a wasteful number, since it uses less digits than its factorization.

126725043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16021.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 126725043 is about 11257.2218153504. The cubic root of 126725043 is about 502.2895571864.

The spelling of 126725043 in words is "one hundred twenty-six million, seven hundred twenty-five thousand, forty-three".