1145959 has 4 divisors (see below), whose sum is σ = 1153800. Its totient is φ = 1138120.

The previous prime is 1145899. The next prime is 1145971. The reversal of 1145959 is 9595411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9595411 = 7 ⋅1370773.

It is a cyclic number.

It is not a de Polignac number, because 1145959 - 2⁷ = 1145831 is a prime.

It is a Duffinian number.

1145959 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3697 + ... + 3994.

It is an arithmetic number, because the mean of its divisors is an integer number (288450).

2^1145959 is an apocalyptic number.

1145959 is a deficient number, since it is larger than the sum of its proper divisors (7841).

1145959 is an equidigital number, since it uses as much as digits as its factorization.

1145959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840.

The product of its digits is 8100, while the sum is 34.

The square root of 1145959 is about 1070.4947454332. The cubic root of 1145959 is about 104.6460949648.

The spelling of 1145959 in words is "one million, one hundred forty-five thousand, nine hundred fifty-nine".