1415404240121 has 2 divisors, whose sum is σ = 1415404240122. Its totient is φ = 1415404240120.

The previous prime is 1415404240097. The next prime is 1415404240157. The reversal of 1415404240121 is 1210424045141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199375425600 + 216028814521 = 1095160^2 + 464789^2 .

It is an emirp because it is prime and its reverse (1210424045141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1415404240121 - 2³⁰ = 1414330498297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1415404242121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707702120060 + 707702120061.

It is an arithmetic number, because the mean of its divisors is an integer number (707702120061).

Almost surely, 2^{1415404240121} is an apocalyptic number.

It is an amenable number.

1415404240121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415404240121 is an equidigital number, since it uses as much as digits as its factorization.

1415404240121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 1415404240121 its reverse (1210424045141), we get a palindrome (2625828285262).

The spelling of 1415404240121 in words is "one trillion, four hundred fifteen billion, four hundred four million, two hundred forty thousand, one hundred twenty-one".