1045905 has 24 divisors (see below), whose sum is σ = 1948032. Its totient is φ = 477792.

The previous prime is 1045903. The next prime is 1045907. The reversal of 1045905 is 5095401.

It is an interprime number because it is at equal distance from previous prime (1045903) and next prime (1045907).

It is not a de Polignac number, because 1045905 - 2¹ = 1045903 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 24 + ... + 1446.

It is an arithmetic number, because the mean of its divisors is an integer number (81168).

2^1045905 is an apocalyptic number.

1045905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045905 is a deficient number, since it is larger than the sum of its proper divisors (902127).

1045905 is a wasteful number, since it uses less digits than its factorization.

1045905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1045905 is about 1022.6949691868. The cubic root of 1045905 is about 101.5073320110.

The spelling of 1045905 in words is "one million, forty-five thousand, nine hundred five".