121481085 has 16 divisors (see below), whose sum is σ = 212040000. Its totient is φ = 58899840.

The previous prime is 121481069. The next prime is 121481123. The reversal of 121481085 is 580184121.

It is a happy number.

It is not a de Polignac number, because 121481085 - 2⁴ = 121481069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367960 + ... + 368289.

It is an arithmetic number, because the mean of its divisors is an integer number (13252500).

Almost surely, 2^121481085 is an apocalyptic number.

121481085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121481085 is a deficient number, since it is larger than the sum of its proper divisors (90558915).

121481085 is a wasteful number, since it uses less digits than its factorization.

121481085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736268.

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 121481085 is about 11021.8458073047. The cubic root of 121481085 is about 495.2633839617.

It can be divided in two parts, 121 and 481085, that multiplied together give a palindrome (58211285).

The spelling of 121481085 in words is "one hundred twenty-one million, four hundred eighty-one thousand, eighty-five".