420131401 has 16 divisors (see below), whose sum is σ = 451987200. Its totient is φ = 389346048.

The previous prime is 420131399. The next prime is 420131407. The reversal of 420131401 is 104131024.

It is a cyclic number.

It is not a de Polignac number, because 420131401 - 2¹ = 420131399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420131407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168375 + ... + 170851.

It is an arithmetic number, because the mean of its divisors is an integer number (28249200).

Almost surely, 2^420131401 is an apocalyptic number.

It is an amenable number.

420131401 is a deficient number, since it is larger than the sum of its proper divisors (31855799).

420131401 is a wasteful number, since it uses less digits than its factorization.

420131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 420131401 is about 20497.1071373499. The cubic root of 420131401 is about 748.9653294136.

Adding to 420131401 its reverse (104131024), we get a palindrome (524262425).

The spelling of 420131401 in words is "four hundred twenty million, one hundred thirty-one thousand, four hundred one".