121703353 has 4 divisors (see below), whose sum is σ = 122383440. Its totient is φ = 121023268.

The previous prime is 121703347. The next prime is 121703359. The reversal of 121703353 is 353307121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 353307121 = 1453 ⋅243157.

It is an interprime number because it is at equal distance from previous prime (121703347) and next prime (121703359).

It is a cyclic number.

It is not a de Polignac number, because 121703353 - 2⁵ = 121703321 is a prime.

It is a super-2 number, since 2×121703353² = 29623412262885218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121703359) 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 3 ways as a sum of consecutive naturals, for example, 339775 + ... + 340132.

It is an arithmetic number, because the mean of its divisors is an integer number (30595860).

Almost surely, 2^121703353 is an apocalyptic number.

It is an amenable number.

121703353 is a deficient number, since it is larger than the sum of its proper divisors (680087).

121703353 is an equidigital number, since it uses as much as digits as its factorization.

121703353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680086.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 121703353 is about 11031.9242655123. The cubic root of 121703353 is about 495.5652529955.

The spelling of 121703353 in words is "one hundred twenty-one million, seven hundred three thousand, three hundred fifty-three".