1202456142339 has 4 divisors (see below), whose sum is σ = 1603274856456. Its totient is φ = 801637428224.

The previous prime is 1202456142311. The next prime is 1202456142347. The reversal of 1202456142339 is 9332416542021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202456142339 - 2⁷ = 1202456142211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202456142339.

It is not an unprimeable number, because it can be changed into a prime (1202456142439) 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, 200409357054 + ... + 200409357059.

It is an arithmetic number, because the mean of its divisors is an integer number (400818714114).

Almost surely, 2^{1202456142339} is an apocalyptic number.

1202456142339 is a deficient number, since it is larger than the sum of its proper divisors (400818714117).

1202456142339 is an equidigital number, since it uses as much as digits as its factorization.

1202456142339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400818714116.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 1202456142339 in words is "one trillion, two hundred two billion, four hundred fifty-six million, one hundred forty-two thousand, three hundred thirty-nine".