421203030 has 16 divisors (see below), whose sum is σ = 1010887344. Its totient is φ = 112320800.

The previous prime is 421203019. The next prime is 421203043. The reversal of 421203030 is 30302124.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7020021 + ... + 7020080.

It is an arithmetic number, because the mean of its divisors is an integer number (63180459).

Almost surely, 2^421203030 is an apocalyptic number.

421203030 is an abundant number, since it is smaller than the sum of its proper divisors (589684314).

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

421203030 is a wasteful number, since it uses less digits than its factorization.

421203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14040111.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 421203030 is about 20523.2314707017. The cubic root of 421203030 is about 749.6015839459.

Adding to 421203030 its reverse (30302124), we get a palindrome (451505154).

It can be divided in two parts, 42120 and 3030, that added together give a triangular number (45150 = T₃₀₀).

The spelling of 421203030 in words is "four hundred twenty-one million, two hundred three thousand, thirty".