1293030901 has 4 divisors (see below), whose sum is σ = 1293177600. Its totient is φ = 1292884204.

The previous prime is 1293030887. The next prime is 1293030929. The reversal of 1293030901 is 1090303921.

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-1293030901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1293030901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293090901) 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, 59221 + ... + 78058.

It is an arithmetic number, because the mean of its divisors is an integer number (323294400).

Almost surely, 2^1293030901 is an apocalyptic number.

It is an amenable number.

1293030901 is a deficient number, since it is larger than the sum of its proper divisors (146699).

1293030901 is an equidigital number, since it uses as much as digits as its factorization.

1293030901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146698.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 1293030901 is about 35958.7388683196. The cubic root of 1293030901 is about 1089.4391247921.

The spelling of 1293030901 in words is "one billion, two hundred ninety-three million, thirty thousand, nine hundred one".