534372121 has 2 divisors, whose sum is σ = 534372122. Its totient is φ = 534372120.

The previous prime is 534372119. The next prime is 534372149. The reversal of 534372121 is 121273435.

It is an a-pointer prime, because the next prime (534372149) can be obtained adding 534372121 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508728025 + 25644096 = 22555^2 + 5064^2 .

It is a cyclic number.

It is not a de Polignac number, because 534372121 - 2¹ = 534372119 is a prime.

Together with 534372119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 534372121.

It is not a weakly prime, because it can be changed into another prime (534372161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267186060 + 267186061.

It is an arithmetic number, because the mean of its divisors is an integer number (267186061).

Almost surely, 2^534372121 is an apocalyptic number.

It is an amenable number.

534372121 is a deficient number, since it is larger than the sum of its proper divisors (1).

534372121 is an equidigital number, since it uses as much as digits as its factorization.

534372121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 534372121 is about 23116.4902396536. The cubic root of 534372121 is about 811.4864343151.

The spelling of 534372121 in words is "five hundred thirty-four million, three hundred seventy-two thousand, one hundred twenty-one".