121434025 has 12 divisors (see below), whose sum is σ = 150737500. Its totient is φ = 97044480.

The previous prime is 121434023. The next prime is 121434031. The reversal of 121434025 is 520434121.

It can be written as a sum of positive squares in 6 ways, for example, as 609961 + 120824064 = 781^2 + 10992^2 .

It is not a de Polignac number, because 121434025 - 2¹ = 121434023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121433987 and 121434005.

It is not an unprimeable number, because it can be changed into a prime (121434023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29281 + ... + 33169.

Almost surely, 2^121434025 is an apocalyptic number.

It is an amenable number.

121434025 is a deficient number, since it is larger than the sum of its proper divisors (29303475).

121434025 is a wasteful number, since it uses less digits than its factorization.

121434025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148 (or 5143 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 121434025 is about 11019.7107493799. The cubic root of 121434025 is about 495.1994230987.

Adding to 121434025 its reverse (520434121), we get a palindrome (641868146).

The spelling of 121434025 in words is "one hundred twenty-one million, four hundred thirty-four thousand, twenty-five".