1013243 has 8 divisors (see below), whose sum is σ = 1263360. Its totient is φ = 789480.

The previous prime is 1013239. The next prime is 1013249. The reversal of 1013243 is 3423101.

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 1013243 - 2² = 1013239 is a prime.

It is a super-2 number, since 2×1013243² = 2053322754098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1013249) 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, 6503 + ... + 6656.

It is an arithmetic number, because the mean of its divisors is an integer number (157920).

2^1013243 is an apocalyptic number.

1013243 is a deficient number, since it is larger than the sum of its proper divisors (250117).

1013243 is a wasteful number, since it uses less digits than its factorization.

1013243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1013243 is about 1006.5997218358. The cubic root of 1013243 is about 100.4394989106.

Adding to 1013243 its reverse (3423101), we get a palindrome (4436344).

The spelling of 1013243 in words is "one million, thirteen thousand, two hundred forty-three".