1052381 has 8 divisors (see below), whose sum is σ = 1188000. Its totient is φ = 923440.

The previous prime is 1052333. The next prime is 1052413. The reversal of 1052381 is 1832501.

1052381 = T₁₁₀ + T₁₁₁ + ... + T₁₉₆.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052381 is a prime.

It is a super-2 number, since 2×1052381² = 2215011538322, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052321) 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, 1331 + ... + 1968.

It is an arithmetic number, because the mean of its divisors is an integer number (148500).

2^1052381 is an apocalyptic number.

1052381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1052381 is a deficient number, since it is larger than the sum of its proper divisors (135619).

1052381 is a wasteful number, since it uses less digits than its factorization.

1052381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1052381 is about 1025.8562277434. The cubic root of 1052381 is about 101.7164043413.

Adding to 1052381 its reverse (1832501), we get a palindrome (2884882).

The spelling of 1052381 in words is "one million, fifty-two thousand, three hundred eighty-one".