121025682 has 18 divisors (see below), whose sum is σ = 262323477. Its totient is φ = 40326336.

The previous prime is 121025657. The next prime is 121025689. The reversal of 121025682 is 286520121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119705481 + 1320201 = 10941^2 + 1149^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7779.

It is not an unprimeable number, because it can be changed into a prime (121025689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45378 + ... + 47970.

Almost surely, 2^121025682 is an apocalyptic number.

121025682 is an abundant number, since it is smaller than the sum of its proper divisors (141297795).

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

121025682 is an frugal number, since it uses more digits than its factorization.

121025682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194 (or 2598 counting only the distinct ones).

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

The square root of 121025682 is about 11001.1673017003. The cubic root of 121025682 is about 494.6437350774.

The spelling of 121025682 in words is "one hundred twenty-one million, twenty-five thousand, six hundred eighty-two".