1145929 has 4 divisors (see below), whose sum is σ = 1195776. Its totient is φ = 1096084.

The previous prime is 1145899. The next prime is 1145971. The reversal of 1145929 is 9295411.

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 1145929 - 2⁵ = 1145897 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 1145929.

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, 24889 + ... + 24934.

It is an arithmetic number, because the mean of its divisors is an integer number (298944).

2^1145929 is an apocalyptic number.

It is an amenable number.

1145929 is a deficient number, since it is larger than the sum of its proper divisors (49847).

1145929 is an equidigital number, since it uses as much as digits as its factorization.

1145929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49846.

The product of its digits is 3240, while the sum is 31.

The square root of 1145929 is about 1070.4807331288. The cubic root of 1145929 is about 104.6451817820.

The spelling of 1145929 in words is "one million, one hundred forty-five thousand, nine hundred twenty-nine".