1144923 has 16 divisors (see below), whose sum is σ = 1698816. Its totient is φ = 681120.

The previous prime is 1144919. The next prime is 1144931. The reversal of 1144923 is 3294411.

It is not a de Polignac number, because 1144923 - 2² = 1144919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144893 and 1144902.

It is not an unprimeable number, because it can be changed into a prime (1144903) 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 15 ways as a sum of consecutive naturals, for example, 736 + ... + 1682.

It is an arithmetic number, because the mean of its divisors is an integer number (106176).

2^1144923 is an apocalyptic number.

1144923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1144923 is a deficient number, since it is larger than the sum of its proper divisors (553893).

1144923 is a wasteful number, since it uses less digits than its factorization.

1144923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994.

The product of its digits is 864, while the sum is 24.

The square root of 1144923 is about 1070.0107476096. The cubic root of 1144923 is about 104.6145504852.

The spelling of 1144923 in words is "one million, one hundred forty-four thousand, nine hundred twenty-three".