1030381 has 8 divisors (see below), whose sum is σ = 1148544. Its totient is φ = 916320.

The previous prime is 1030369. The next prime is 1030411. The reversal of 1030381 is 1830301.

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 1030381 - 2⁵ = 1030349 is a prime.

It is a super-2 number, since 2×1030381² = 2123370010322, which contains 22 as substring.

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

It is a Duffinian number.

1030381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030361) 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, 480 + ... + 1513.

It is an arithmetic number, because the mean of its divisors is an integer number (143568).

2^1030381 is an apocalyptic number.

1030381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1030381 is a deficient number, since it is larger than the sum of its proper divisors (118163).

1030381 is a wasteful number, since it uses less digits than its factorization.

1030381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1030381 is about 1015.0768443817. The cubic root of 1030381 is about 101.0026140551.

Adding to 1030381 its reverse (1830301), we get a palindrome (2860682).

It can be divided in two parts, 10 and 30381, that multiplied together give a triangular number (303810 = T₇₇₉).

The spelling of 1030381 in words is "one million, thirty thousand, three hundred eighty-one".