421032115 has 32 divisors (see below), whose sum is σ = 643576320. Its totient is φ = 257416704.

The previous prime is 421032091. The next prime is 421032127. The reversal of 421032115 is 511230124.

It is a cyclic number.

It is not a de Polignac number, because 421032115 - 2⁹ = 421031603 is a prime.

It is a super-2 number, since 2×421032115² = 354536083722746450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 421032092 and 421032101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7317 + ... + 29926.

It is an arithmetic number, because the mean of its divisors is an integer number (20111760).

Almost surely, 2^421032115 is an apocalyptic number.

421032115 is a deficient number, since it is larger than the sum of its proper divisors (222544205).

421032115 is a wasteful number, since it uses less digits than its factorization.

421032115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37291.

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

The square root of 421032115 is about 20519.0671084238. The cubic root of 421032115 is about 749.5001795726.

Adding to 421032115 its reverse (511230124), we get a palindrome (932262239).

The spelling of 421032115 in words is "four hundred twenty-one million, thirty-two thousand, one hundred fifteen".