1146289 has 4 divisors (see below), whose sum is σ = 1206640. Its totient is φ = 1085940.

The previous prime is 1146281. The next prime is 1146307. The reversal of 1146289 is 9826411.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1146289 - 2³ = 1146281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1146289.

It is not an unprimeable number, because it can be changed into a prime (1146281) 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, 30147 + ... + 30184.

It is an arithmetic number, because the mean of its divisors is an integer number (301660).

2^1146289 is an apocalyptic number.

1146289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1146289 is a deficient number, since it is larger than the sum of its proper divisors (60351).

1146289 is an equidigital number, since it uses as much as digits as its factorization.

1146289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60350.

The product of its digits is 3456, while the sum is 31.

The square root of 1146289 is about 1070.6488686773. The cubic root of 1146289 is about 104.6561389243.

The spelling of 1146289 in words is "one million, one hundred forty-six thousand, two hundred eighty-nine".