1145907 has 40 divisors (see below), whose sum is σ = 2044416. Its totient is φ = 625968.

The previous prime is 1145899. The next prime is 1145971. The reversal of 1145907 is 7095411.

It is not a de Polignac number, because 1145907 - 2³ = 1145899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1145107) 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 39 ways as a sum of consecutive naturals, for example, 24358 + ... + 24404.

2^1145907 is an apocalyptic number.

1145907 is a deficient number, since it is larger than the sum of its proper divisors (898509).

1145907 is an equidigital number, since it uses as much as digits as its factorization.

1145907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1145907 is about 1070.4704573224. The cubic root of 1145907 is about 104.6445121045.

The spelling of 1145907 in words is "one million, one hundred forty-five thousand, nine hundred seven".