421161116 has 12 divisors (see below), whose sum is σ = 749524440. Its totient is φ = 207011280.

The previous prime is 421161109. The next prime is 421161131. The reversal of 421161116 is 611161124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 421161091 and 421161100.

It is a congruent number.

It is an unprimeable number.

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, 892055 + ... + 892526.

It is an arithmetic number, because the mean of its divisors is an integer number (62460370).

Almost surely, 2^421161116 is an apocalyptic number.

It is an amenable number.

421161116 is a deficient number, since it is larger than the sum of its proper divisors (328363324).

421161116 is a wasteful number, since it uses less digits than its factorization.

421161116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784644 (or 1784642 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 421161116 is about 20522.2103098082. The cubic root of 421161116 is about 749.5767187853.

The spelling of 421161116 in words is "four hundred twenty-one million, one hundred sixty-one thousand, one hundred sixteen".