403351121 has 8 divisors (see below), whose sum is σ = 407499840. Its totient is φ = 399210768.

The previous prime is 403351103. The next prime is 403351141. The reversal of 403351121 is 121153304.

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

It is a cyclic number.

It is not a de Polignac number, because 403351121 - 2¹⁸ = 403088977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403351093 and 403351102.

It is not an unprimeable number, because it can be changed into a prime (403351141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147650 + ... + 150356.

It is an arithmetic number, because the mean of its divisors is an integer number (50937480).

Almost surely, 2^403351121 is an apocalyptic number.

It is an amenable number.

403351121 is a deficient number, since it is larger than the sum of its proper divisors (4148719).

403351121 is a wasteful number, since it uses less digits than its factorization.

403351121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 403351121 is about 20083.6032872590. The cubic root of 403351121 is about 738.8581861385.

The spelling of 403351121 in words is "four hundred three million, three hundred fifty-one thousand, one hundred twenty-one".