1145507 has 6 divisors (see below), whose sum is σ = 1259244. Its totient is φ = 1041260.

The previous prime is 1145497. The next prime is 1145509. The reversal of 1145507 is 7055411.

It is not a de Polignac number, because 1145507 - 2¹⁰ = 1144483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145509) 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 5 ways as a sum of consecutive naturals, for example, 4613 + ... + 4854.

It is an arithmetic number, because the mean of its divisors is an integer number (209874).

2^1145507 is an apocalyptic number.

1145507 is a deficient number, since it is larger than the sum of its proper divisors (113737).

1145507 is an equidigital number, since it uses as much as digits as its factorization.

1145507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9489 (or 9478 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1145507 is about 1070.2836072743. The cubic root of 1145507 is about 104.6323346543.

The spelling of 1145507 in words is "one million, one hundred forty-five thousand, five hundred seven".