1293800321 has 8 divisors (see below), whose sum is σ = 1435341600. Its totient is φ = 1156246240.

The previous prime is 1293800309. The next prime is 1293800353. The reversal of 1293800321 is 1230083921.

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

It is a cyclic number.

It is not a de Polignac number, because 1293800321 - 2¹⁴ = 1293783937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1293800021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996116 + ... + 997413.

It is an arithmetic number, because the mean of its divisors is an integer number (179417700).

Almost surely, 2^1293800321 is an apocalyptic number.

1293800321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1293800321 is a deficient number, since it is larger than the sum of its proper divisors (141541279).

1293800321 is a wasteful number, since it uses less digits than its factorization.

1293800321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993599.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1293800321 is about 35969.4359282989. The cubic root of 1293800321 is about 1089.6551727461.

The spelling of 1293800321 in words is "one billion, two hundred ninety-three million, eight hundred thousand, three hundred twenty-one".