121041425 has 6 divisors (see below), whose sum is σ = 150091398. Its totient is φ = 96833120.

The previous prime is 121041413. The next prime is 121041443. The reversal of 121041425 is 524140121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9443329 + 111598096 = 3073^2 + 10564^2 .

It is not a de Polignac number, because 121041425 - 2¹⁶ = 120975889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121041397 and 121041406.

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, 2420804 + ... + 2420853.

It is an arithmetic number, because the mean of its divisors is an integer number (25015233).

Almost surely, 2^121041425 is an apocalyptic number.

It is an amenable number.

121041425 is a deficient number, since it is larger than the sum of its proper divisors (29049973).

121041425 is an equidigital number, since it uses as much as digits as its factorization.

121041425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841667 (or 4841662 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 121041425 is about 11001.8827934131. The cubic root of 121041425 is about 494.6651818717.

Adding to 121041425 its reverse (524140121), we get a palindrome (645181546).

The spelling of 121041425 in words is "one hundred twenty-one million, forty-one thousand, four hundred twenty-five".