1145017 has 4 divisors (see below), whose sum is σ = 1161216. Its totient is φ = 1128820.

The previous prime is 1145003. The next prime is 1145021. The reversal of 1145017 is 7105411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7105411 = 19 ⋅373969.

It is a cyclic number.

It is not a de Polignac number, because 1145017 - 2⁷ = 1144889 is a prime.

It is a super-2 number, since 2×1145017² = 2622127860578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144985 and 1145003.

It is not an unprimeable number, because it can be changed into a prime (1145057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7993 + ... + 8134.

It is an arithmetic number, because the mean of its divisors is an integer number (290304).

2^1145017 is an apocalyptic number.

It is an amenable number.

1145017 is a deficient number, since it is larger than the sum of its proper divisors (16199).

1145017 is an equidigital number, since it uses as much as digits as its factorization.

1145017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16198.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1145017 is about 1070.0546715005. The cubic root of 1145017 is about 104.6174134139.

The spelling of 1145017 in words is "one million, one hundred forty-five thousand, seventeen".