421142995 has 48 divisors (see below), whose sum is σ = 660744000. Its totient is φ = 254935296.

The previous prime is 421142993. The next prime is 421143007. The reversal of 421142995 is 599241124.

It is not a de Polignac number, because 421142995 - 2¹ = 421142993 is a prime.

It is a super-2 number, since 2×421142995² = 354722844475140050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421142993) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 70381 + ... + 76129.

It is an arithmetic number, because the mean of its divisors is an integer number (13765500).

Almost surely, 2^421142995 is an apocalyptic number.

421142995 is a deficient number, since it is larger than the sum of its proper divisors (239601005).

421142995 is a wasteful number, since it uses less digits than its factorization.

421142995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804 (or 5797 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 421142995 is about 20521.7688077807. The cubic root of 421142995 is about 749.5659681295.

The spelling of 421142995 in words is "four hundred twenty-one million, one hundred forty-two thousand, nine hundred ninety-five".