440125326501121 has 2 divisors, whose sum is σ = 440125326501122. Its totient is φ = 440125326501120.

The previous prime is 440125326501103. The next prime is 440125326501149. The reversal of 440125326501121 is 121105623521044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342934101510400 + 97191224990721 = 18518480^2 + 9858561^2 .

It is a cyclic number.

It is not a de Polignac number, because 440125326501121 - 2⁵ = 440125326501089 is a prime.

It is not a weakly prime, because it can be changed into another prime (440125326501521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220062663250560 + 220062663250561.

It is an arithmetic number, because the mean of its divisors is an integer number (220062663250561).

Almost surely, 2^{440125326501121} is an apocalyptic number.

It is an amenable number.

440125326501121 is a deficient number, since it is larger than the sum of its proper divisors (1).

440125326501121 is an equidigital number, since it uses as much as digits as its factorization.

440125326501121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 440125326501121 in words is "four hundred forty trillion, one hundred twenty-five billion, three hundred twenty-six million, five hundred one thousand, one hundred twenty-one".