1070381 has 8 divisors (see below), whose sum is σ = 1163064. Its totient is φ = 979200.

The previous prime is 1070369. The next prime is 1070389. The reversal of 1070381 is 1830701.

It can be written as a sum of positive squares in 4 ways, for example, as 184900 + 885481 = 430^2 + 941^2 .

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 1070381 - 2⁶ = 1070317 is a prime.

It is a super-2 number, since 2×1070381² = 2291430970322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070389) 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, 1481 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (145383).

2^1070381 is an apocalyptic number.

It is an amenable number.

1070381 is a deficient number, since it is larger than the sum of its proper divisors (92683).

1070381 is a wasteful number, since it uses less digits than its factorization.

1070381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1070381 is about 1034.5921901890. The cubic root of 1070381 is about 102.2930506203.

The spelling of 1070381 in words is "one million, seventy thousand, three hundred eighty-one".