121233425 has 6 divisors (see below), whose sum is σ = 150329478. Its totient is φ = 96986720.

The previous prime is 121233421. The next prime is 121233449. The reversal of 121233425 is 524332121.

It can be written as a sum of positive squares in 3 ways, for example, as 35344 + 121198081 = 188^2 + 11009^2 .

It is not a de Polignac number, because 121233425 - 2² = 121233421 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 121233425.

It is not an unprimeable number, because it can be changed into a prime (121233421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2424644 + ... + 2424693.

It is an arithmetic number, because the mean of its divisors is an integer number (25054913).

Almost surely, 2^121233425 is an apocalyptic number.

It is an amenable number.

121233425 is a deficient number, since it is larger than the sum of its proper divisors (29096053).

121233425 is an equidigital number, since it uses as much as digits as its factorization.

121233425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849347 (or 4849342 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 121233425 is about 11010.6051150697. The cubic root of 121233425 is about 494.9265952438.

Adding to 121233425 its reverse (524332121), we get a palindrome (645565546).

The spelling of 121233425 in words is "one hundred twenty-one million, two hundred thirty-three thousand, four hundred twenty-five".