421315112 has 8 divisors (see below), whose sum is σ = 789965850. Its totient is φ = 210657552.

The previous prime is 421315099. The next prime is 421315117. The reversal of 421315112 is 211513124.

It can be written as a sum of positive squares in only one way, i.e., 244797316 + 176517796 = 15646^2 + 13286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (421315117) 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 as a sum of consecutive naturals, namely, 26332187 + ... + 26332202.

Almost surely, 2^421315112 is an apocalyptic number.

It is an amenable number.

421315112 is a deficient number, since it is larger than the sum of its proper divisors (368650738).

421315112 is a wasteful number, since it uses less digits than its factorization.

421315112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52664395 (or 52664391 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 421315112 is about 20525.9619019426. The cubic root of 421315112 is about 749.6680676347.

Adding to 421315112 its reverse (211513124), we get a palindrome (632828236).

The spelling of 421315112 in words is "four hundred twenty-one million, three hundred fifteen thousand, one hundred twelve".