1332123121 has 8 divisors (see below), whose sum is σ = 1522825920. Its totient is φ = 1141520208.

The previous prime is 1332123113. The next prime is 1332123127. The reversal of 1332123121 is 1213212331.

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 1332123121 - 2³ = 1332123113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1332123127) 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, 6210 + ... + 51988.

It is an arithmetic number, because the mean of its divisors is an integer number (190353240).

Almost surely, 2^1332123121 is an apocalyptic number.

It is an amenable number.

1332123121 is a deficient number, since it is larger than the sum of its proper divisors (190702799).

1332123121 is an equidigital number, since it uses as much as digits as its factorization.

1332123121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49943.

The product of its digits is 216, while the sum is 19.

The square root of 1332123121 is about 36498.2618901229. The cubic root of 1332123121 is about 1100.3093127397.

Adding to 1332123121 its reverse (1213212331), we get a palindrome (2545335452).

The spelling of 1332123121 in words is "one billion, three hundred thirty-two million, one hundred twenty-three thousand, one hundred twenty-one".