434783121 has 4 divisors (see below), whose sum is σ = 579710832. Its totient is φ = 289855412.

The previous prime is 434783101. The next prime is 434783131. The reversal of 434783121 is 121387434.

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 434783121 - 2¹⁰ = 434782097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434783101) 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, 72463851 + ... + 72463856.

It is an arithmetic number, because the mean of its divisors is an integer number (144927708).

Almost surely, 2^434783121 is an apocalyptic number.

It is an amenable number.

434783121 is a deficient number, since it is larger than the sum of its proper divisors (144927711).

434783121 is a wasteful number, since it uses less digits than its factorization.

434783121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144927710.

The product of its digits is 16128, while the sum is 33.

The square root of 434783121 is about 20851.4536903306. The cubic root of 434783121 is about 757.5725417137.

The spelling of 434783121 in words is "four hundred thirty-four million, seven hundred eighty-three thousand, one hundred twenty-one".