121434325 has 6 divisors (see below), whose sum is σ = 150578594. Its totient is φ = 97147440.

The previous prime is 121434317. The next prime is 121434337. The reversal of 121434325 is 523434121.

It can be written as a sum of positive squares in 3 ways, for example, as 3538161 + 117896164 = 1881^2 + 10858^2 .

It is not a de Polignac number, because 121434325 - 2³ = 121434317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4857373 = 121434325 / (1 + 2 + 1 + 4 + 3 + 4 + 3 + 2 + 5).

It is an alternating number because its digits alternate between odd and even.

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 121434325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2428662 + ... + 2428711.

Almost surely, 2^121434325 is an apocalyptic number.

It is an amenable number.

121434325 is a deficient number, since it is larger than the sum of its proper divisors (29144269).

121434325 is an equidigital number, since it uses as much as digits as its factorization.

121434325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857383 (or 4857378 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 121434325 is about 11019.7243613441. The cubic root of 121434325 is about 495.1998308913.

Adding to 121434325 its reverse (523434121), we get a palindrome (644868446).

The spelling of 121434325 in words is "one hundred twenty-one million, four hundred thirty-four thousand, three hundred twenty-five".