421262011 has 4 divisors (see below), whose sum is σ = 425433024. Its totient is φ = 417091000.

The previous prime is 421261999. The next prime is 421262041. The reversal of 421262011 is 110262124.

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 421262011 - 2⁹ = 421261499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421262011.

It is not an unprimeable number, because it can be changed into a prime (421262041) 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, 2085355 + ... + 2085556.

It is an arithmetic number, because the mean of its divisors is an integer number (106358256).

Almost surely, 2^421262011 is an apocalyptic number.

421262011 is a deficient number, since it is larger than the sum of its proper divisors (4171013).

421262011 is a wasteful number, since it uses less digits than its factorization.

421262011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171012.

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

The square root of 421262011 is about 20524.6683529844. The cubic root of 421262011 is about 749.6365711804.

The spelling of 421262011 in words is "four hundred twenty-one million, two hundred sixty-two thousand, eleven".