1124399 has 4 divisors (see below), whose sum is σ = 1128264. Its totient is φ = 1120536.

The previous prime is 1124377. The next prime is 1124423. The reversal of 1124399 is 9934211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1124399 - 2¹² = 1120303 is a prime.

It is a super-2 number, since 2×1124399² = 2528546222402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124369) 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, 1457 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (282066).

2^1124399 is an apocalyptic number.

1124399 is a deficient number, since it is larger than the sum of its proper divisors (3865).

1124399 is an equidigital number, since it uses as much as digits as its factorization.

1124399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864.

The product of its digits is 1944, while the sum is 29.

The square root of 1124399 is about 1060.3768198145. The cubic root of 1124399 is about 103.9856674036.

The spelling of 1124399 in words is "one million, one hundred twenty-four thousand, three hundred ninety-nine".