1053811 has 4 divisors (see below), whose sum is σ = 1149624. Its totient is φ = 958000.

The previous prime is 1053809. The next prime is 1053817. The reversal of 1053811 is 1183501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1053811 - 2¹ = 1053809 is a prime.

It is a super-2 number, since 2×1053811² = 2221035247442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053817) 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, 47890 + ... + 47911.

It is an arithmetic number, because the mean of its divisors is an integer number (287406).

2^1053811 is an apocalyptic number.

1053811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1053811 is a deficient number, since it is larger than the sum of its proper divisors (95813).

1053811 is an equidigital number, since it uses as much as digits as its factorization.

1053811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95812.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1053811 is about 1026.5529698949. The cubic root of 1053811 is about 101.7624550351.

It can be divided in two parts, 105 and 3811, that added together give a triangular number (3916 = T₈₈).

The spelling of 1053811 in words is "one million, fifty-three thousand, eight hundred eleven".