1053943 has 4 divisors (see below), whose sum is σ = 1149768. Its totient is φ = 958120.

The previous prime is 1053863. The next prime is 1053953. The reversal of 1053943 is 3493501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3493501 = 11 ⋅317591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053943 is a prime.

It is a super-2 number, since 2×1053943² = 2221591694498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053953) 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, 47896 + ... + 47917.

It is an arithmetic number, because the mean of its divisors is an integer number (287442).

2^1053943 is an apocalyptic number.

1053943 is a deficient number, since it is larger than the sum of its proper divisors (95825).

1053943 is an equidigital number, since it uses as much as digits as its factorization.

1053943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95824.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1053943 is about 1026.6172607160. The cubic root of 1053943 is about 101.7667037676.

The spelling of 1053943 in words is "one million, fifty-three thousand, nine hundred forty-three".