1258005 has 16 divisors (see below), whose sum is σ = 2300544. Its totient is φ = 575040.

The previous prime is 1258001. The next prime is 1258013. The reversal of 1258005 is 5008521.

It is not a de Polignac number, because 1258005 - 2² = 1258001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258001) 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, 5886 + ... + 6095.

It is an arithmetic number, because the mean of its divisors is an integer number (143784).

2^1258005 is an apocalyptic number.

1258005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1258005 is a deficient number, since it is larger than the sum of its proper divisors (1042539).

1258005 is a wasteful number, since it uses less digits than its factorization.

1258005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11996.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1258005 is about 1121.6082203693. The cubic root of 1258005 is about 107.9511953699.

The spelling of 1258005 in words is "one million, two hundred fifty-eight thousand, five".