121479429 has 8 divisors (see below), whose sum is σ = 165739552. Its totient is φ = 79102800.

The previous prime is 121479419. The next prime is 121479431. The reversal of 121479429 is 924974121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121479429 - 2¹¹ = 121477381 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 (121479419) 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 7 ways as a sum of consecutive naturals, for example, 470722 + ... + 470979.

It is an arithmetic number, because the mean of its divisors is an integer number (20717444).

Almost surely, 2^121479429 is an apocalyptic number.

It is an amenable number.

121479429 is a deficient number, since it is larger than the sum of its proper divisors (44260123).

121479429 is an equidigital number, since it uses as much as digits as its factorization.

121479429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941747.

The product of its digits is 36288, while the sum is 39.

The square root of 121479429 is about 11021.7706835154. The cubic root of 121479429 is about 495.2611335156.

The spelling of 121479429 in words is "one hundred twenty-one million, four hundred seventy-nine thousand, four hundred twenty-nine".