421356115 has 4 divisors (see below), whose sum is σ = 505627344. Its totient is φ = 337084888.

The previous prime is 421356077. The next prime is 421356119. The reversal of 421356115 is 511653124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421356115 - 2⁹ = 421355603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421356119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42135607 + ... + 42135616.

It is an arithmetic number, because the mean of its divisors is an integer number (126406836).

Almost surely, 2^421356115 is an apocalyptic number.

421356115 is a deficient number, since it is larger than the sum of its proper divisors (84271229).

421356115 is an equidigital number, since it uses as much as digits as its factorization.

421356115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84271228.

The product of its digits is 3600, while the sum is 28.

The square root of 421356115 is about 20526.9606858882. The cubic root of 421356115 is about 749.6923864417.

The spelling of 421356115 in words is "four hundred twenty-one million, three hundred fifty-six thousand, one hundred fifteen".