8403401121 has 8 divisors (see below), whose sum is σ = 11863625184. Its totient is φ = 5272722240.

The previous prime is 8403401081. The next prime is 8403401197. The reversal of 8403401121 is 1211043048.

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

It is not a de Polignac number, because 8403401121 - 2⁶ = 8403401057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8403401091 and 8403401100.

It is not an unprimeable number, because it can be changed into a prime (8403401621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82386235 + ... + 82386336.

It is an arithmetic number, because the mean of its divisors is an integer number (1482953148).

Almost surely, 2^8403401121 is an apocalyptic number.

It is an amenable number.

8403401121 is a deficient number, since it is larger than the sum of its proper divisors (3460224063).

8403401121 is a wasteful number, since it uses less digits than its factorization.

8403401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164772591.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8403401121 is about 91670.0666575519. The cubic root of 8403401121 is about 2033.0670327201.

Adding to 8403401121 its reverse (1211043048), we get a palindrome (9614444169).

The spelling of 8403401121 in words is "eight billion, four hundred three million, four hundred one thousand, one hundred twenty-one".