1075381 has 4 divisors (see below), whose sum is σ = 1132000. Its totient is φ = 1018764.

The previous prime is 1075357. The next prime is 1075391. The reversal of 1075381 is 1835701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1075381 - 2¹⁷ = 944309 is a prime.

It is a super-2 number, since 2×1075381² = 2312888590322, which contains 22 as substring.

It is a Duffinian number.

1075381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075351) 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, 28281 + ... + 28318.

It is an arithmetic number, because the mean of its divisors is an integer number (283000).

2^1075381 is an apocalyptic number.

It is an amenable number.

1075381 is a deficient number, since it is larger than the sum of its proper divisors (56619).

1075381 is an equidigital number, since it uses as much as digits as its factorization.

1075381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56618.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1075381 is about 1037.0057859048. The cubic root of 1075381 is about 102.4520815081.

The spelling of 1075381 in words is "one million, seventy-five thousand, three hundred eighty-one".