121750329 has 8 divisors (see below), whose sum is σ = 166109152. Its totient is φ = 79279200.

The previous prime is 121750319. The next prime is 121750331. The reversal of 121750329 is 923057121.

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

It is not a de Polignac number, because 121750329 - 2¹¹ = 121748281 is a prime.

It is a super-2 number, since 2×121750329² = 29646285223216482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121750296 and 121750305.

It is not an unprimeable number, because it can be changed into a prime (121750319) 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, 471772 + ... + 472029.

It is an arithmetic number, because the mean of its divisors is an integer number (20763644).

Almost surely, 2^121750329 is an apocalyptic number.

It is an amenable number.

121750329 is a deficient number, since it is larger than the sum of its proper divisors (44358823).

121750329 is an equidigital number, since it uses as much as digits as its factorization.

121750329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943847.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 121750329 is about 11034.0531537600. The cubic root of 121750329 is about 495.6290054947.

The spelling of 121750329 in words is "one hundred twenty-one million, seven hundred fifty thousand, three hundred twenty-nine".