1403224121 has 8 divisors (see below), whose sum is σ = 1511733384. Its totient is φ = 1294796160.

The previous prime is 1403224111. The next prime is 1403224153. The reversal of 1403224121 is 1214223041.

It can be written as a sum of positive squares in 4 ways, for example, as 283585600 + 1119638521 = 16840^2 + 33461^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1403224121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1403224093 and 1403224102.

It is not an unprimeable number, because it can be changed into a prime (1403224111) 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, 18251 + ... + 56031.

It is an arithmetic number, because the mean of its divisors is an integer number (188966673).

Almost surely, 2^1403224121 is an apocalyptic number.

It is an amenable number.

1403224121 is a deficient number, since it is larger than the sum of its proper divisors (108509263).

1403224121 is a wasteful number, since it uses less digits than its factorization.

1403224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40651.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1403224121 is about 37459.6332203080. The cubic root of 1403224121 is about 1119.5470428681.

Adding to 1403224121 its reverse (1214223041), we get a palindrome (2617447162).

The spelling of 1403224121 in words is "one billion, four hundred three million, two hundred twenty-four thousand, one hundred twenty-one".