126765193 has 4 divisors (see below), whose sum is σ = 126809668. Its totient is φ = 126720720.

The previous prime is 126765181. The next prime is 126765203. The reversal of 126765193 is 391567621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112529664 + 14235529 = 10608^2 + 3773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126765193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126765143) 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, 17646 + ... + 23767.

It is an arithmetic number, because the mean of its divisors is an integer number (31702417).

Almost surely, 2^126765193 is an apocalyptic number.

It is an amenable number.

126765193 is a deficient number, since it is larger than the sum of its proper divisors (44475).

126765193 is an equidigital number, since it uses as much as digits as its factorization.

126765193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44474.

The product of its digits is 68040, while the sum is 40.

The square root of 126765193 is about 11259.0049737976. The cubic root of 126765193 is about 502.3425979951.

The spelling of 126765193 in words is "one hundred twenty-six million, seven hundred sixty-five thousand, one hundred ninety-three".