421012162 has 4 divisors (see below), whose sum is σ = 631518246. Its totient is φ = 210506080.

The previous prime is 421012153. The next prime is 421012199. The reversal of 421012162 is 261210124.

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

It can be written as a sum of positive squares in only one way, i.e., 324756441 + 96255721 = 18021^2 + 9811^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105253039 + ... + 105253042.

Almost surely, 2^421012162 is an apocalyptic number.

421012162 is a deficient number, since it is larger than the sum of its proper divisors (210506084).

421012162 is a wasteful number, since it uses less digits than its factorization.

421012162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210506083.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 421012162 is about 20518.5808963486. The cubic root of 421012162 is about 749.4883396102.

Adding to 421012162 its reverse (261210124), we get a palindrome (682222286).

The spelling of 421012162 in words is "four hundred twenty-one million, twelve thousand, one hundred sixty-two".