121260825 has 36 divisors (see below), whose sum is σ = 248222208. Its totient is φ = 55432800.

The previous prime is 121260787. The next prime is 121260827. The reversal of 121260825 is 528062121.

It is a happy number.

It is not a de Polignac number, because 121260825 - 2¹¹ = 121258777 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121260827) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36921 + ... + 40070.

Almost surely, 2^121260825 is an apocalyptic number.

121260825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121260825 is an abundant number, since it is smaller than the sum of its proper divisors (126961383).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121260825 is a wasteful number, since it uses less digits than its factorization.

121260825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77014 (or 77006 counting only the distinct ones).

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

The square root of 121260825 is about 11011.8492997316. The cubic root of 121260825 is about 494.9638786008.

The spelling of 121260825 in words is "one hundred twenty-one million, two hundred sixty thousand, eight hundred twenty-five".