126380193 has 16 divisors (see below), whose sum is σ = 186178176. Its totient is φ = 75848960.

The previous prime is 126380167. The next prime is 126380237. The reversal of 126380193 is 391083621.

It is a cyclic number.

It is not a de Polignac number, because 126380193 - 2⁶ = 126380129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126387193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52698 + ... + 55043.

It is an arithmetic number, because the mean of its divisors is an integer number (11636136).

Almost surely, 2^126380193 is an apocalyptic number.

It is an amenable number.

126380193 is a deficient number, since it is larger than the sum of its proper divisors (59797983).

126380193 is a wasteful number, since it uses less digits than its factorization.

126380193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107784.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 126380193 is about 11241.8945467390. The cubic root of 126380193 is about 501.8335254833.

The spelling of 126380193 in words is "one hundred twenty-six million, three hundred eighty thousand, one hundred ninety-three".