1423121 has 8 divisors (see below), whose sum is σ = 1722240. Its totient is φ = 1147968.

The previous prime is 1423111. The next prime is 1423127. The reversal of 1423121 is 1213241.

1423121 is nontrivially palindromic in base 6.

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

It is a cyclic number.

It is not a de Polignac number, because 1423121 - 2¹⁰ = 1422097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1423096 and 1423105.

It is not an unprimeable number, because it can be changed into a prime (1423127) 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 7 ways as a sum of consecutive naturals, for example, 5861 + ... + 6098.

It is an arithmetic number, because the mean of its divisors is an integer number (215280).

2^1423121 is an apocalyptic number.

It is an amenable number.

1423121 is a deficient number, since it is larger than the sum of its proper divisors (299119).

1423121 is a wasteful number, since it uses less digits than its factorization.

1423121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11983.

The product of its digits is 48, while the sum is 14.

The square root of 1423121 is about 1192.9463525239. The cubic root of 1423121 is about 112.4813730477.

Adding to 1423121 its reverse (1213241), we get a palindrome (2636362).

The spelling of 1423121 in words is "one million, four hundred twenty-three thousand, one hundred twenty-one".