421100152 has 32 divisors (see below), whose sum is σ = 862197120. Its totient is φ = 191219040.

The previous prime is 421100117. The next prime is 421100171. The reversal of 421100152 is 251001124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125683 + ... + 128989.

It is an arithmetic number, because the mean of its divisors is an integer number (26943660).

Almost surely, 2^421100152 is an apocalyptic number.

It is an amenable number.

421100152 is an abundant number, since it is smaller than the sum of its proper divisors (441096968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421100152 is a wasteful number, since it uses less digits than its factorization.

421100152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4771 (or 4767 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 421100152 is about 20520.7249384616. The cubic root of 421100152 is about 749.5405494125.

Adding to 421100152 its reverse (251001124), we get a palindrome (672101276).

The spelling of 421100152 in words is "four hundred twenty-one million, one hundred thousand, one hundred fifty-two".