381126607 has 4 divisors (see below), whose sum is σ = 387586440. Its totient is φ = 374666776.

The previous prime is 381126593. The next prime is 381126623. The reversal of 381126607 is 706621183.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381126607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381126637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3229828 + ... + 3229945.

It is an arithmetic number, because the mean of its divisors is an integer number (96896610).

Almost surely, 2^381126607 is an apocalyptic number.

381126607 is a deficient number, since it is larger than the sum of its proper divisors (6459833).

381126607 is an equidigital number, since it uses as much as digits as its factorization.

381126607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459832.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 381126607 is about 19522.4641631122. The cubic root of 381126607 is about 725.0307443165.

The spelling of 381126607 in words is "three hundred eighty-one million, one hundred twenty-six thousand, six hundred seven".