421325101125 has 64 divisors (see below), whose sum is σ = 781230378240. Its totient is φ = 224058528000.

The previous prime is 421325101123. The next prime is 421325101151. The reversal of 421325101125 is 521101523124.

It is a happy number.

421325101125 is a `hidden beast` number, since 4 + 2 + 1 + 32 + 510 + 112 + 5 = 666.

It is not a de Polignac number, because 421325101125 - 2¹ = 421325101123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421325101121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 991245 + ... + 1351005.

It is an arithmetic number, because the mean of its divisors is an integer number (12206724660).

Almost surely, 2^421325101125 is an apocalyptic number.

421325101125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

421325101125 is a deficient number, since it is larger than the sum of its proper divisors (359905277115).

421325101125 is a wasteful number, since it uses less digits than its factorization.

421325101125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360132 (or 360116 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 421325101125 its reverse (521101523124), we get a palindrome (942426624249).

The spelling of 421325101125 in words is "four hundred twenty-one billion, three hundred twenty-five million, one hundred one thousand, one hundred twenty-five".