1202997825709 has 4 divisors (see below), whose sum is σ = 1203050892960. Its totient is φ = 1202944758460.

The previous prime is 1202997825697. The next prime is 1202997825727. The reversal of 1202997825709 is 9075287992021.

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 a de Polignac number, because none of the positive numbers 2^k-1202997825709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202997822709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26499607 + ... + 26544964.

It is an arithmetic number, because the mean of its divisors is an integer number (300762723240).

Almost surely, 2^{1202997825709} is an apocalyptic number.

It is an amenable number.

1202997825709 is a deficient number, since it is larger than the sum of its proper divisors (53067251).

1202997825709 is an equidigital number, since it uses as much as digits as its factorization.

1202997825709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53067250.

The product of its (nonzero) digits is 11430720, while the sum is 61.

The spelling of 1202997825709 in words is "one trillion, two hundred two billion, nine hundred ninety-seven million, eight hundred twenty-five thousand, seven hundred nine".