121004421325 has 6 divisors (see below), whose sum is σ = 150045482474. Its totient is φ = 96803537040.

The previous prime is 121004421311. The next prime is 121004421341. The reversal of 121004421325 is 523124400121.

It can be written as a sum of positive squares in 3 ways, for example, as 19693350889 + 101311070436 = 140333^2 + 318294^2 .

It is not a de Polignac number, because 121004421325 - 2¹³ = 121004413133 is a prime.

It is a super-2 number, since 2×121004421325² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4840176853 = 121004421325 / (1 + 2 + 1 + 0 + 0 + 4 + 4 + 2 + 1 + 3 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121004421325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2420088402 + ... + 2420088451.

Almost surely, 2^121004421325 is an apocalyptic number.

It is an amenable number.

121004421325 is a deficient number, since it is larger than the sum of its proper divisors (29041061149).

121004421325 is an equidigital number, since it uses as much as digits as its factorization.

121004421325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840176863 (or 4840176858 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 121004421325 its reverse (523124400121), we get a palindrome (644128821446).

The spelling of 121004421325 in words is "one hundred twenty-one billion, four million, four hundred twenty-one thousand, three hundred twenty-five".