1053939 has 8 divisors (see below), whose sum is σ = 1423360. Its totient is φ = 693576.

The previous prime is 1053863. The next prime is 1053953. The reversal of 1053939 is 9393501.

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

It is not a de Polignac number, because 1053939 - 2¹² = 1049843 is a prime.

It is a super-2 number, since 2×1053939² = 2221574831442, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053959) 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, 1987 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (177920).

2^1053939 is an apocalyptic number.

1053939 is a deficient number, since it is larger than the sum of its proper divisors (369421).

1053939 is an equidigital number, since it uses as much as digits as its factorization.

1053939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4529.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 1053939 is about 1026.6153125684. The cubic root of 1053939 is about 101.7665750234.

It can be divided in two parts, 105 and 3939, that multiplied together give a triangular number (413595 = T₉₀₉).

The spelling of 1053939 in words is "one million, fifty-three thousand, nine hundred thirty-nine".