421011042 has 16 divisors (see below), whose sum is σ = 862559712. Its totient is φ = 136914080.

The previous prime is 421010977. The next prime is 421011053. The reversal of 421011042 is 240110124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855468 + ... + 855959.

It is an arithmetic number, because the mean of its divisors is an integer number (53909982).

Almost surely, 2^421011042 is an apocalyptic number.

421011042 is an abundant number, since it is smaller than the sum of its proper divisors (441548670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421011042 is a wasteful number, since it uses less digits than its factorization.

421011042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711473.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 421011042 is about 20518.5536039946. The cubic root of 421011042 is about 749.4876749994.

Adding to 421011042 its reverse (240110124), we get a palindrome (661121166).

The spelling of 421011042 in words is "four hundred twenty-one million, eleven thousand, forty-two".