121085499 has 16 divisors (see below), whose sum is σ = 170211200. Its totient is φ = 76355136.

The previous prime is 121085491. The next prime is 121085513. The reversal of 121085499 is 994580121.

It is not a de Polignac number, because 121085499 - 2³ = 121085491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121085491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47727 + ... + 50199.

It is an arithmetic number, because the mean of its divisors is an integer number (10638200).

Almost surely, 2^121085499 is an apocalyptic number.

121085499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

121085499 is a deficient number, since it is larger than the sum of its proper divisors (49125701).

121085499 is a wasteful number, since it uses less digits than its factorization.

121085499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 121085499 is about 11003.8856319029. The cubic root of 121085499 is about 494.7252142878.

The spelling of 121085499 in words is "one hundred twenty-one million, eighty-five thousand, four hundred ninety-nine".