1142001440121 has 8 divisors (see below), whose sum is σ = 1588871568960. Its totient is φ = 728232802352.

The previous prime is 1142001440089. The next prime is 1142001440147. The reversal of 1142001440121 is 1210441002411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142001440121 - 2⁵ = 1142001440089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142001440191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8275372686 + ... + 8275372823.

It is an arithmetic number, because the mean of its divisors is an integer number (198608946120).

Almost surely, 2^{1142001440121} is an apocalyptic number.

It is an amenable number.

1142001440121 is a deficient number, since it is larger than the sum of its proper divisors (446870128839).

1142001440121 is a wasteful number, since it uses less digits than its factorization.

1142001440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16550745535.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1142001440121 its reverse (1210441002411), we get a palindrome (2352442442532).

The spelling of 1142001440121 in words is "one trillion, one hundred forty-two billion, one million, four hundred forty thousand, one hundred twenty-one".