1142402142241 has 4 divisors (see below), whose sum is σ = 1202528570800. Its totient is φ = 1082275713684.

The previous prime is 1142402142239. The next prime is 1142402142307. The reversal of 1142402142241 is 1422412042411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142402142241 - 2¹ = 1142402142239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142402148241) 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, 30063214251 + ... + 30063214288.

It is an arithmetic number, because the mean of its divisors is an integer number (300632142700).

Almost surely, 2^{1142402142241} is an apocalyptic number.

It is an amenable number.

1142402142241 is a deficient number, since it is larger than the sum of its proper divisors (60126428559).

1142402142241 is an equidigital number, since it uses as much as digits as its factorization.

1142402142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60126428558.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1142402142241 its reverse (1422412042411), we get a palindrome (2564814184652).

The spelling of 1142402142241 in words is "one trillion, one hundred forty-two billion, four hundred two million, one hundred forty-two thousand, two hundred forty-one".