121301025 has 12 divisors (see below), whose sum is σ = 200551152. Its totient is φ = 64693840.

The previous prime is 121301023. The next prime is 121301027. The reversal of 121301025 is 520103121.

It is an interprime number because it is at equal distance from previous prime (121301023) and next prime (121301027).

It is not a de Polignac number, because 121301025 - 2¹ = 121301023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 121300995 and 121301013.

It is not an unprimeable number, because it can be changed into a prime (121301023) 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 11 ways as a sum of consecutive naturals, for example, 808599 + ... + 808748.

It is an arithmetic number, because the mean of its divisors is an integer number (16712596).

Almost surely, 2^121301025 is an apocalyptic number.

121301025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121301025 is a deficient number, since it is larger than the sum of its proper divisors (79250127).

121301025 is a wasteful number, since it uses less digits than its factorization.

121301025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617360 (or 1617355 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 121301025 is about 11013.6744549673. The cubic root of 121301025 is about 495.0185688371.

Adding to 121301025 its reverse (520103121), we get a palindrome (641404146).

The spelling of 121301025 in words is "one hundred twenty-one million, three hundred one thousand, twenty-five".