420001401 has 8 divisors (see below), whose sum is σ = 560170624. Its totient is φ = 279916560.

The previous prime is 420001381. The next prime is 420001411. The reversal of 420001401 is 104100024.

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

It is not a de Polignac number, because 420001401 - 2⁷ = 420001273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420001411) 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, 8386 + ... + 30171.

It is an arithmetic number, because the mean of its divisors is an integer number (70021328).

Almost surely, 2^420001401 is an apocalyptic number.

It is an amenable number.

420001401 is a deficient number, since it is larger than the sum of its proper divisors (140169223).

420001401 is a wasteful number, since it uses less digits than its factorization.

420001401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42191.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 420001401 is about 20493.9357127907. The cubic root of 420001401 is about 748.8880714122. Note that the first 3 decimals are identical.

Adding to 420001401 its reverse (104100024), we get a palindrome (524101425).

The spelling of 420001401 in words is "four hundred twenty million, one thousand, four hundred one".