430132121 has 4 divisors (see below), whose sum is σ = 430173732. Its totient is φ = 430090512.

The previous prime is 430132111. The next prime is 430132123. The reversal of 430132121 is 121231034.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 26925721 + 403206400 = 5189^2 + 20080^2 .

It is a cyclic number.

It is not a de Polignac number, because 430132121 - 2⁶ = 430132057 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 430132121.

It is not an unprimeable number, because it can be changed into a prime (430132123) 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, 7931 + ... + 30383.

It is an arithmetic number, because the mean of its divisors is an integer number (107543433).

Almost surely, 2^430132121 is an apocalyptic number.

It is an amenable number.

430132121 is a deficient number, since it is larger than the sum of its proper divisors (41611).

430132121 is a wasteful number, since it uses less digits than its factorization.

430132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41610.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 430132121 is about 20739.6268288511. The cubic root of 430132121 is about 754.8615280455.

Adding to 430132121 its reverse (121231034), we get a palindrome (551363155).

The spelling of 430132121 in words is "four hundred thirty million, one hundred thirty-two thousand, one hundred twenty-one".