126181793 has 8 divisors (see below), whose sum is σ = 135649920. Its totient is φ = 116996400.

The previous prime is 126181763. The next prime is 126181799. The reversal of 126181793 is 397181621.

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 126181793 - 2²⁴ = 109404577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126181799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69758 + ... + 71543.

It is an arithmetic number, because the mean of its divisors is an integer number (16956240).

Almost surely, 2^126181793 is an apocalyptic number.

It is an amenable number.

126181793 is a deficient number, since it is larger than the sum of its proper divisors (9468127).

126181793 is a wasteful number, since it uses less digits than its factorization.

126181793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141367.

The product of its digits is 18144, while the sum is 38.

The square root of 126181793 is about 11233.0669454072. The cubic root of 126181793 is about 501.5707841070.

The spelling of 126181793 in words is "one hundred twenty-six million, one hundred eighty-one thousand, seven hundred ninety-three".