121330413 has 16 divisors (see below), whose sum is σ = 181605760. Its totient is φ = 80051328.

The previous prime is 121330397. The next prime is 121330423. The reversal of 121330413 is 314033121.

It is not a de Polignac number, because 121330413 - 2⁴ = 121330397 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 (121330423) 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, 20545 + ... + 25782.

It is an arithmetic number, because the mean of its divisors is an integer number (11350360).

Almost surely, 2^121330413 is an apocalyptic number.

It is an amenable number.

121330413 is a deficient number, since it is larger than the sum of its proper divisors (60275347).

121330413 is an equidigital number, since it uses as much as digits as its factorization.

121330413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46433 (or 46427 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 121330413 is about 11015.0085338142. The cubic root of 121330413 is about 495.0585422038.

Adding to 121330413 its reverse (314033121), we get a palindrome (435363534).

It can be divided in two parts, 1213 and 30413, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 121330413 in words is "one hundred twenty-one million, three hundred thirty thousand, four hundred thirteen".