326733121 has 16 divisors (see below), whose sum is σ = 384552000. Its totient is φ = 273683520.

The previous prime is 326733119. The next prime is 326733137. The reversal of 326733121 is 121337623.

It is not a de Polignac number, because 326733121 - 2¹ = 326733119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326733121.

It is not an unprimeable number, because it can be changed into a prime (326733161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91630 + ... + 95128.

It is an arithmetic number, because the mean of its divisors is an integer number (24034500).

Almost surely, 2^326733121 is an apocalyptic number.

It is an amenable number.

326733121 is a deficient number, since it is larger than the sum of its proper divisors (57818879).

326733121 is a wasteful number, since it uses less digits than its factorization.

326733121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176.

The product of its digits is 4536, while the sum is 28.

The square root of 326733121 is about 18075.7605925726. The cubic root of 326733121 is about 688.7544012420.

The spelling of 326733121 in words is "three hundred twenty-six million, seven hundred thirty-three thousand, one hundred twenty-one".