420321115 has 8 divisors (see below), whose sum is σ = 504624240. Its totient is φ = 336097632.

The previous prime is 420321071. The next prime is 420321119. The reversal of 420321115 is 511123024.

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

It is a cyclic number.

It is not a de Polignac number, because 420321115 - 2¹³ = 420312923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420321092 and 420321101.

It is not an unprimeable number, because it can be changed into a prime (420321119) 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, 7605 + ... + 29974.

It is an arithmetic number, because the mean of its divisors is an integer number (63078030).

Almost surely, 2^420321115 is an apocalyptic number.

420321115 is a deficient number, since it is larger than the sum of its proper divisors (84303125).

420321115 is a wasteful number, since it uses less digits than its factorization.

420321115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39821.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 420321115 is about 20501.7344388225. The cubic root of 420321115 is about 749.0780463924.

Adding to 420321115 its reverse (511123024), we get a palindrome (931444139).

The spelling of 420321115 in words is "four hundred twenty million, three hundred twenty-one thousand, one hundred fifteen".