1055749 has 4 divisors (see below), whose sum is σ = 1059436. Its totient is φ = 1052064.

The previous prime is 1055741. The next prime is 1055771. The reversal of 1055749 is 9475501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 515524 + 540225 = 718^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055749 - 2³ = 1055741 is a prime.

It is a super-2 number, since 2×1055749² = 2229211902002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055741) 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, 1374 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (264859).

2^1055749 is an apocalyptic number.

It is an amenable number.

1055749 is a deficient number, since it is larger than the sum of its proper divisors (3687).

1055749 is an equidigital number, since it uses as much as digits as its factorization.

1055749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1055749 is about 1027.4964720134. The cubic root of 1055749 is about 101.8247985564.

The spelling of 1055749 in words is "one million, fifty-five thousand, seven hundred forty-nine".