126755493 has 4 divisors (see below), whose sum is σ = 169007328. Its totient is φ = 84503660.

The previous prime is 126755467. The next prime is 126755557. The reversal of 126755493 is 394557621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126755493 - 2⁹ = 126754981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126755693) 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 3 ways as a sum of consecutive naturals, for example, 21125913 + ... + 21125918.

It is an arithmetic number, because the mean of its divisors is an integer number (42251832).

Almost surely, 2^126755493 is an apocalyptic number.

It is an amenable number.

126755493 is a deficient number, since it is larger than the sum of its proper divisors (42251835).

126755493 is an equidigital number, since it uses as much as digits as its factorization.

126755493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42251834.

The product of its digits is 226800, while the sum is 42.

The square root of 126755493 is about 11258.5741992492. The cubic root of 126755493 is about 502.3297846789.

The spelling of 126755493 in words is "one hundred twenty-six million, seven hundred fifty-five thousand, four hundred ninety-three".