381126 has 8 divisors (see below), whose sum is σ = 762264. Its totient is φ = 127040.

The previous prime is 381103. The next prime is 381167. The reversal of 381126 is 621183.

It is a sphenic number, since it is the product of 3 distinct primes.

381126 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381126.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31755 + ... + 31766.

It is an arithmetic number, because the mean of its divisors is an integer number (95283).

2³⁸¹¹²⁶ is an apocalyptic number.

381126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381126 is a wasteful number, since it uses less digits than its factorization.

381126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63526.

The product of its digits is 288, while the sum is 21.

The square root of 381126 is about 617.3540313305. The cubic root of 381126 is about 72.5030359410.

The spelling of 381126 in words is "three hundred eighty-one thousand, one hundred twenty-six".