1230140401121 has 4 divisors (see below), whose sum is σ = 1235419973892. Its totient is φ = 1224860828352.

The previous prime is 1230140401117. The next prime is 1230140401129. The reversal of 1230140401121 is 1211040410321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 634673528896 + 595466872225 = 796664^2 + 771665^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230140401121 - 2² = 1230140401117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230140401093 and 1230140401102.

It is not an unprimeable number, because it can be changed into a prime (1230140401129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639786036 + ... + 2639786501.

It is an arithmetic number, because the mean of its divisors is an integer number (308854993473).

Almost surely, 2^{1230140401121} is an apocalyptic number.

It is an amenable number.

1230140401121 is a deficient number, since it is larger than the sum of its proper divisors (5279572771).

1230140401121 is an equidigital number, since it uses as much as digits as its factorization.

1230140401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279572770.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1230140401121 its reverse (1211040410321), we get a palindrome (2441180811442).

The spelling of 1230140401121 in words is "one trillion, two hundred thirty billion, one hundred forty million, four hundred one thousand, one hundred twenty-one".