121353025 has 6 divisors (see below), whose sum is σ = 150477782. Its totient is φ = 97082400.

The previous prime is 121353017. The next prime is 121353041. The reversal of 121353025 is 520353121.

It can be written as a sum of positive squares in 3 ways, for example, as 5919489 + 115433536 = 2433^2 + 10744^2 .

It is not a de Polignac number, because 121353025 - 2³ = 121353017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121352987 and 121353005.

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, 2427036 + ... + 2427085.

Almost surely, 2^121353025 is an apocalyptic number.

It is an amenable number.

121353025 is a deficient number, since it is larger than the sum of its proper divisors (29124757).

121353025 is an equidigital number, since it uses as much as digits as its factorization.

121353025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854131 (or 4854126 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 121353025 is about 11016.0349037210. The cubic root of 121353025 is about 495.0892945055.

The spelling of 121353025 in words is "one hundred twenty-one million, three hundred fifty-three thousand, twenty-five".