1203969797 has 4 divisors (see below), whose sum is σ = 1233334956. Its totient is φ = 1174604640.

The previous prime is 1203969769. The next prime is 1203969821. The reversal of 1203969797 is 7979693021.

It is a happy number.

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 452880961 + 751088836 = 21281^2 + 27406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203969797 - 2⁸ = 1203969541 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 (1203969727) 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, 14682518 + ... + 14682599.

It is an arithmetic number, because the mean of its divisors is an integer number (308333739).

Almost surely, 2^1203969797 is an apocalyptic number.

It is an amenable number.

1203969797 is a deficient number, since it is larger than the sum of its proper divisors (29365159).

1203969797 is an equidigital number, since it uses as much as digits as its factorization.

1203969797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29365158.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 1203969797 is about 34698.2679250708. The cubic root of 1203969797 is about 1063.8290956986.

The spelling of 1203969797 in words is "one billion, two hundred three million, nine hundred sixty-nine thousand, seven hundred ninety-seven".