1045779 has 16 divisors (see below), whose sum is σ = 1678080. Its totient is φ = 565920.

The previous prime is 1045763. The next prime is 1045799. The reversal of 1045779 is 9775401.

It is not a de Polignac number, because 1045779 - 2⁴ = 1045763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045729) 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 15 ways as a sum of consecutive naturals, for example, 912 + ... + 1709.

It is an arithmetic number, because the mean of its divisors is an integer number (104880).

2^1045779 is an apocalyptic number.

1045779 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1045779 is a deficient number, since it is larger than the sum of its proper divisors (632301).

1045779 is a wasteful number, since it uses less digits than its factorization.

1045779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 1045779 is about 1022.6333653857. The cubic root of 1045779 is about 101.5032556569.

The spelling of 1045779 in words is "one million, forty-five thousand, seven hundred seventy-nine".