1403141142121 has 4 divisors (see below), whose sum is σ = 1403214975700. Its totient is φ = 1403067308544.

The previous prime is 1403141142113. The next prime is 1403141142157. The reversal of 1403141142121 is 1212411413041.

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 940007811600 + 463133330521 = 969540^2 + 680539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403141142121 - 2³ = 1403141142113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403141142101) 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, 36888276 + ... + 36926293.

It is an arithmetic number, because the mean of its divisors is an integer number (350803743925).

Almost surely, 2^{1403141142121} is an apocalyptic number.

It is an amenable number.

1403141142121 is a deficient number, since it is larger than the sum of its proper divisors (73833579).

1403141142121 is an equidigital number, since it uses as much as digits as its factorization.

1403141142121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73833578.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 1403141142121 its reverse (1212411413041), we get a palindrome (2615552555162).

The spelling of 1403141142121 in words is "one trillion, four hundred three billion, one hundred forty-one million, one hundred forty-two thousand, one hundred twenty-one".