1293200885 has 8 divisors (see below), whose sum is σ = 1589691096. Its totient is φ = 1009327360.

The previous prime is 1293200879. The next prime is 1293200893. The reversal of 1293200885 is 5880023921.

It can be written as a sum of positive squares in 4 ways, for example, as 67010596 + 1226190289 = 8186^2 + 35017^2 .

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

It is not a de Polignac number, because 1293200885 - 2¹⁰ = 1293199861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3153944 + ... + 3154353.

It is an arithmetic number, because the mean of its divisors is an integer number (198711387).

Almost surely, 2^1293200885 is an apocalyptic number.

It is an amenable number.

1293200885 is a deficient number, since it is larger than the sum of its proper divisors (296490211).

1293200885 is an equidigital number, since it uses as much as digits as its factorization.

1293200885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308343.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1293200885 is about 35961.1023885531. The cubic root of 1293200885 is about 1089.4868625287.

The spelling of 1293200885 in words is "one billion, two hundred ninety-three million, two hundred thousand, eight hundred eighty-five".