1045869 has 16 divisors (see below), whose sum is σ = 1560384. Its totient is φ = 617600.

The previous prime is 1045859. The next prime is 1045903. The reversal of 1045869 is 9685401.

It is a cyclic number.

It is not a de Polignac number, because 1045869 - 2¹³ = 1037677 is a prime.

It is a super-2 number, since 2×1045869² = 2187683930322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

1045869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (97524).

2^1045869 is an apocalyptic number.

It is an amenable number.

1045869 is a deficient number, since it is larger than the sum of its proper divisors (514515).

1045869 is a wasteful number, since it uses less digits than its factorization.

1045869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1045869 is about 1022.6773684794. The cubic root of 1045869 is about 101.5061673718.

The spelling of 1045869 in words is "one million, forty-five thousand, eight hundred sixty-nine".