121480829 has 4 divisors (see below), whose sum is σ = 123472380. Its totient is φ = 119489280.

The previous prime is 121480819. The next prime is 121480873. The reversal of 121480829 is 928084121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63568729 + 57912100 = 7973^2 + 7610^2 .

It is a cyclic number.

It is not a de Polignac number, because 121480829 - 2¹⁶ = 121415293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121480819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995684 + ... + 995805.

It is an arithmetic number, because the mean of its divisors is an integer number (30868095).

Almost surely, 2^121480829 is an apocalyptic number.

It is an amenable number.

121480829 is a deficient number, since it is larger than the sum of its proper divisors (1991551).

121480829 is an equidigital number, since it uses as much as digits as its factorization.

121480829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991550.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 121480829 is about 11021.8341939987. The cubic root of 121480829 is about 495.2630360680.

It can be divided in two parts, 12 and 1480829, that added together give a palindrome (1480841).

The spelling of 121480829 in words is "one hundred twenty-one million, four hundred eighty thousand, eight hundred twenty-nine".