1146421163 has 4 divisors (see below), whose sum is σ = 1213857720. Its totient is φ = 1078984608.

The previous prime is 1146421141. The next prime is 1146421181. The reversal of 1146421163 is 3611246411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1146421163 - 2³⁰ = 72679339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146421103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33718253 + ... + 33718286.

It is an arithmetic number, because the mean of its divisors is an integer number (303464430).

Almost surely, 2^1146421163 is an apocalyptic number.

1146421163 is a deficient number, since it is larger than the sum of its proper divisors (67436557).

1146421163 is an equidigital number, since it uses as much as digits as its factorization.

1146421163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67436556.

The product of its digits is 3456, while the sum is 29.

The square root of 1146421163 is about 33858.8417256113. The cubic root of 1146421163 is about 1046.6016092852.

Adding to 1146421163 its reverse (3611246411), we get a palindrome (4757667574).

The spelling of 1146421163 in words is "one billion, one hundred forty-six million, four hundred twenty-one thousand, one hundred sixty-three".