421134515 has 8 divisors (see below), whose sum is σ = 506038848. Its totient is φ = 336456000.

The previous prime is 421134509. The next prime is 421134517. The reversal of 421134515 is 515431124.

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

It is not a de Polignac number, because 421134515 - 2⁴ = 421134499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421134517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52322 + ... + 59831.

It is an arithmetic number, because the mean of its divisors is an integer number (63254856).

Almost surely, 2^421134515 is an apocalyptic number.

421134515 is a deficient number, since it is larger than the sum of its proper divisors (84904333).

421134515 is a wasteful number, since it uses less digits than its factorization.

421134515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112909.

The product of its digits is 2400, while the sum is 26.

The square root of 421134515 is about 20521.5621968699. The cubic root of 421134515 is about 749.5609370892.

Adding to 421134515 its reverse (515431124), we get a palindrome (936565639).

The spelling of 421134515 in words is "four hundred twenty-one million, one hundred thirty-four thousand, five hundred fifteen".