1124865 has 24 divisors (see below), whose sum is σ = 2228928. Its totient is φ = 514080.

The previous prime is 1124833. The next prime is 1124867. The reversal of 1124865 is 5684211.

It is a Cunningham number, because it is equal to 104³+1.

It is not a de Polignac number, because 1124865 - 2⁵ = 1124833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1124867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1471 + ... + 2100.

It is an arithmetic number, because the mean of its divisors is an integer number (92872).

2^1124865 is an apocalyptic number.

1124865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1124865 is a deficient number, since it is larger than the sum of its proper divisors (1104063).

1124865 is a wasteful number, since it uses less digits than its factorization.

1124865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589 (or 3586 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1124865 is about 1060.5965302602. The cubic root of 1124865 is about 104.0000308185. Note that the first 4 decimals are identical.

The spelling of 1124865 in words is "one million, one hundred twenty-four thousand, eight hundred sixty-five".