121030425 has 18 divisors (see below), whose sum is σ = 216779342. Its totient is φ = 64549440.

The previous prime is 121030391. The next prime is 121030433. The reversal of 121030425 is 524030121.

121030425 is a `hidden beast` number, since 1 + 210 + 30 + 425 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 10969344 + 110061081 = 3312^2 + 10491^2 .

It is not a de Polignac number, because 121030425 - 2⁷ = 121030297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121030398 and 121030407.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 268732 + ... + 269181.

Almost surely, 2^121030425 is an apocalyptic number.

121030425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121030425 is a deficient number, since it is larger than the sum of its proper divisors (95748917).

121030425 is a wasteful number, since it uses less digits than its factorization.

121030425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537929 (or 537921 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 121030425 is about 11001.3828676217. The cubic root of 121030425 is about 494.6501966938.

Adding to 121030425 its reverse (524030121), we get a palindrome (645060546).

The spelling of 121030425 in words is "one hundred twenty-one million, thirty thousand, four hundred twenty-five".