121230425 has 12 divisors (see below), whose sum is σ = 150869436. Its totient is φ = 96633600.

The previous prime is 121230409. The next prime is 121230433. The reversal of 121230425 is 524032121.

It can be written as a sum of positive squares in 6 ways, for example, as 14500864 + 106729561 = 3808^2 + 10331^2 .

It is not a de Polignac number, because 121230425 - 2⁴ = 121230409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121230397 and 121230406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1604 + ... + 15653.

It is an arithmetic number, because the mean of its divisors is an integer number (12572453).

Almost surely, 2^121230425 is an apocalyptic number.

It is an amenable number.

121230425 is a deficient number, since it is larger than the sum of its proper divisors (29639011).

121230425 is a wasteful number, since it uses less digits than its factorization.

121230425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17548 (or 17543 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 121230425 is about 11010.4688819323. The cubic root of 121230425 is about 494.9225127832.

Adding to 121230425 its reverse (524032121), we get a palindrome (645262546).

The spelling of 121230425 in words is "one hundred twenty-one million, two hundred thirty thousand, four hundred twenty-five".