420004131 has 8 divisors (see below), whose sum is σ = 575140944. Its totient is φ = 272435040.

The previous prime is 420004103. The next prime is 420004147. The reversal of 420004131 is 131400024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420004131 - 2⁵ = 420004099 is a prime.

It is a super-2 number, since 2×420004131² = 352806940114130322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420004131.

It is not an unprimeable number, because it can be changed into a prime (420004331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891800 + ... + 1892021.

It is an arithmetic number, because the mean of its divisors is an integer number (71892618).

Almost surely, 2^420004131 is an apocalyptic number.

420004131 is a deficient number, since it is larger than the sum of its proper divisors (155136813).

420004131 is a wasteful number, since it uses less digits than its factorization.

420004131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3783861.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 420004131 is about 20494.0023177514. The cubic root of 420004131 is about 748.8896939941.

Adding to 420004131 its reverse (131400024), we get a palindrome (551404155).

The spelling of 420004131 in words is "four hundred twenty million, four thousand, one hundred thirty-one".