421125270 has 32 divisors (see below), whose sum is σ = 1011240288. Its totient is φ = 112240128.

The previous prime is 421125251. The next prime is 421125281. The reversal of 421125270 is 72521124.

It is a self number, because there is not a number n which added to its sum of digits gives 421125270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109012 + ... + 112808.

It is an arithmetic number, because the mean of its divisors is an integer number (31601259).

Almost surely, 2^421125270 is an apocalyptic number.

421125270 is an abundant number, since it is smaller than the sum of its proper divisors (590115018).

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

421125270 is a wasteful number, since it uses less digits than its factorization.

421125270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 421125270 is about 20521.3369447509. The cubic root of 421125270 is about 749.5554521105. Note that the first 3 decimals are identical.

Adding to 421125270 its reverse (72521124), we get a palindrome (493646394).

The spelling of 421125270 in words is "four hundred twenty-one million, one hundred twenty-five thousand, two hundred seventy".