1232121 has 8 divisors (see below), whose sum is σ = 1792224. Its totient is φ = 746720.

The previous prime is 1232089. The next prime is 1232171. The reversal of 1232121 is 1212321.

1232121 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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 1232121 - 2⁵ = 1232089 is a prime.

It is an alternating number because its digits alternate between odd and even.

1232121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1232097 and 1232106.

It is not an unprimeable number, because it can be changed into a prime (1232171) 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, 18636 + ... + 18701.

It is an arithmetic number, because the mean of its divisors is an integer number (224028).

2^1232121 is an apocalyptic number.

1232121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1232121 is a deficient number, since it is larger than the sum of its proper divisors (560103).

1232121 is a wasteful number, since it uses less digits than its factorization.

1232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37351.

The product of its digits is 24, while the sum is 12.

The square root of 1232121 is about 1110.0094594192. The cubic root of 1232121 is about 107.2056776992.

Adding to 1232121 its reverse (1212321), we get a palindrome (2444442).

The spelling of 1232121 in words is "one million, two hundred thirty-two thousand, one hundred twenty-one".