1232342121 has 16 divisors (see below), whose sum is σ = 1742641344. Its totient is φ = 771961344.

The previous prime is 1232342113. The next prime is 1232342129. The reversal of 1232342121 is 1212432321.

It is an interprime number because it is at equal distance from previous prime (1232342113) and next prime (1232342129).

It is not a de Polignac number, because 1232342121 - 2³ = 1232342113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232342129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11886 + ... + 51048.

It is an arithmetic number, because the mean of its divisors is an integer number (108915084).

Almost surely, 2^1232342121 is an apocalyptic number.

It is an amenable number.

1232342121 is a deficient number, since it is larger than the sum of its proper divisors (510299223).

1232342121 is a wasteful number, since it uses less digits than its factorization.

1232342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39800.

The product of its digits is 576, while the sum is 21.

The square root of 1232342121 is about 35104.7307495728. The cubic root of 1232342121 is about 1072.1209049165.

Adding to 1232342121 its reverse (1212432321), we get a palindrome (2444774442).

The spelling of 1232342121 in words is "one billion, two hundred thirty-two million, three hundred forty-two thousand, one hundred twenty-one".