121303470 has 16 divisors (see below), whose sum is σ = 291128400. Its totient is φ = 32347584.

The previous prime is 121303453. The next prime is 121303477. The reversal of 121303470 is 74303121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121303477) by changing a digit.

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, 2021695 + ... + 2021754.

It is an arithmetic number, because the mean of its divisors is an integer number (18195525).

Almost surely, 2^121303470 is an apocalyptic number.

121303470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121303470 is an abundant number, since it is smaller than the sum of its proper divisors (169824930).

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

121303470 is a wasteful number, since it uses less digits than its factorization.

121303470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043459.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 121303470 is about 11013.7854527860. The cubic root of 121303470 is about 495.0218947565.

Adding to 121303470 its reverse (74303121), we get a palindrome (195606591).

The spelling of 121303470 in words is "one hundred twenty-one million, three hundred three thousand, four hundred seventy".