1184421 has 8 divisors (see below), whose sum is σ = 1804864. Its totient is φ = 676800.

The previous prime is 1184413. The next prime is 1184423. The reversal of 1184421 is 1244811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1184421 - 2³ = 1184413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 56401 = 1184421 / (1 + 1 + 8 + 4 + 4 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1184423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28180 + ... + 28221.

It is an arithmetic number, because the mean of its divisors is an integer number (225608).

2^1184421 is an apocalyptic number.

It is an amenable number.

1184421 is a deficient number, since it is larger than the sum of its proper divisors (620443).

1184421 is an equidigital number, since it uses as much as digits as its factorization.

1184421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56411.

The product of its digits is 256, while the sum is 21.

The square root of 1184421 is about 1088.3110768526. The cubic root of 1184421 is about 105.8039868757.

The spelling of 1184421 in words is "one million, one hundred eighty-four thousand, four hundred twenty-one".