121826025 has 30 divisors (see below), whose sum is σ = 225667662. Its totient is φ = 64972800.

The previous prime is 121825997. The next prime is 121826041. The reversal of 121826025 is 520628121.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 32353344 + 89472681 = 5688^2 + 9459^2 .

It is not a de Polignac number, because 121826025 - 2⁵ = 121825993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 121826025.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 28056 + ... + 32105.

Almost surely, 2^121826025 is an apocalyptic number.

121826025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121826025 is a deficient number, since it is larger than the sum of its proper divisors (103841637).

121826025 is an equidigital number, since it uses as much as digits as its factorization.

121826025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60183 (or 60169 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 121826025 is about 11037.4827293183. The cubic root of 121826025 is about 495.7317002498.

The spelling of 121826025 in words is "one hundred twenty-one million, eight hundred twenty-six thousand, twenty-five".