121025514 has 16 divisors (see below), whose sum is σ = 242303040. Its totient is φ = 40299840.

The previous prime is 121025507. The next prime is 121025543. The reversal of 121025514 is 415520121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3942 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (15143940).

Almost surely, 2^121025514 is an apocalyptic number.

121025514 is an abundant number, since it is smaller than the sum of its proper divisors (121277526).

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

121025514 is a wasteful number, since it uses less digits than its factorization.

121025514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21005.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 121025514 is about 11001.1596661443. The cubic root of 121025514 is about 494.6435061999.

Adding to 121025514 its reverse (415520121), we get a palindrome (536545635).

The spelling of 121025514 in words is "one hundred twenty-one million, twenty-five thousand, five hundred fourteen".