1045953 has 20 divisors (see below), whose sum is σ = 1609300. Its totient is φ = 676512.

The previous prime is 1045907. The next prime is 1045963. The reversal of 1045953 is 3595401.

It can be written as a sum of positive squares in 2 ways, for example, as 859329 + 186624 = 927^2 + 432^2 .

It is not a de Polignac number, because 1045953 - 2¹² = 1041857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2823 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (80465).

2^1045953 is an apocalyptic number.

It is an amenable number.

1045953 is a deficient number, since it is larger than the sum of its proper divisors (563347).

1045953 is an equidigital number, since it uses as much as digits as its factorization.

1045953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1045953 is about 1022.7184363255. The cubic root of 1045953 is about 101.5088848217.

The spelling of 1045953 in words is "one million, forty-five thousand, nine hundred fifty-three".