330749121 has 4 divisors (see below), whose sum is σ = 440998832. Its totient is φ = 220499412.

The previous prime is 330749117. The next prime is 330749129. The reversal of 330749121 is 121947033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 330749121 - 2² = 330749117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (330749129) 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, 55124851 + ... + 55124856.

It is an arithmetic number, because the mean of its divisors is an integer number (110249708).

Almost surely, 2^330749121 is an apocalyptic number.

It is an amenable number.

330749121 is a deficient number, since it is larger than the sum of its proper divisors (110249711).

330749121 is a wasteful number, since it uses less digits than its factorization.

330749121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110249710.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 330749121 is about 18186.5093132245. The cubic root of 330749121 is about 691.5648311743.

It can be divided in two parts, 33074 and 9121, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 330749121 in words is "three hundred thirty million, seven hundred forty-nine thousand, one hundred twenty-one".