121146025 has 96 divisors (see below), whose sum is σ = 207986688. Its totient is φ = 67564800.

The previous prime is 121146023. The next prime is 121146031. The reversal of 121146025 is 520641121.

It is not a de Polignac number, because 121146025 - 2¹ = 121146023 is a prime.

It is a super-3 number, since 3×121146025³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121145987 and 121146005.

It is not an unprimeable number, because it can be changed into a prime (121146023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1176124 + ... + 1176226.

It is an arithmetic number, because the mean of its divisors is an integer number (2166528).

Almost surely, 2^121146025 is an apocalyptic number.

It is an amenable number.

121146025 is a deficient number, since it is larger than the sum of its proper divisors (86840663).

121146025 is a wasteful number, since it uses less digits than its factorization.

121146025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 121146025 is about 11006.6354986435. The cubic root of 121146025 is about 494.8076319478.

Adding to 121146025 its reverse (520641121), we get a palindrome (641787146).

The spelling of 121146025 in words is "one hundred twenty-one million, one hundred forty-six thousand, twenty-five".