732315121 has 4 divisors (see below), whose sum is σ = 734670144. Its totient is φ = 729960100.

The previous prime is 732315113. The next prime is 732315127. The reversal of 732315121 is 121513237.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 732315121 - 2³ = 732315113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (732315127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177045 + ... + 1177666.

It is an arithmetic number, because the mean of its divisors is an integer number (183667536).

Almost surely, 2^732315121 is an apocalyptic number.

It is an amenable number.

732315121 is a deficient number, since it is larger than the sum of its proper divisors (2355023).

732315121 is a wasteful number, since it uses less digits than its factorization.

732315121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355022.

The product of its digits is 1260, while the sum is 25.

The square root of 732315121 is about 27061.3214939699. The cubic root of 732315121 is about 901.3621845663.

Adding to 732315121 its reverse (121513237), we get a palindrome (853828358).

The spelling of 732315121 in words is "seven hundred thirty-two million, three hundred fifteen thousand, one hundred twenty-one".