421100151 has 8 divisors (see below), whose sum is σ = 561567984. Its totient is φ = 280682880.

The previous prime is 421100117. The next prime is 421100171. The reversal of 421100151 is 151001124.

It is a happy number.

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

It is not a de Polignac number, because 421100151 - 2⁶ = 421100087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421100151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421100101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16191 + ... + 33231.

It is an arithmetic number, because the mean of its divisors is an integer number (70195998).

Almost surely, 2^421100151 is an apocalyptic number.

421100151 is a deficient number, since it is larger than the sum of its proper divisors (140467833).

421100151 is a wasteful number, since it uses less digits than its factorization.

421100151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25281.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 421100151 is about 20520.7249140960. The cubic root of 421100151 is about 749.5405488192.

Adding to 421100151 its reverse (151001124), we get a palindrome (572101275).

The spelling of 421100151 in words is "four hundred twenty-one million, one hundred thousand, one hundred fifty-one".