1079218901 has 4 divisors (see below), whose sum is σ = 1079337804. Its totient is φ = 1079100000.

The previous prime is 1079218891. The next prime is 1079218909. The reversal of 1079218901 is 1098129701.

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 795296401 + 283922500 = 28201^2 + 16850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1079218901 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 (1079218909) 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, 44600 + ... + 64401.

It is an arithmetic number, because the mean of its divisors is an integer number (269834451).

Almost surely, 2^1079218901 is an apocalyptic number.

It is an amenable number.

1079218901 is a deficient number, since it is larger than the sum of its proper divisors (118903).

1079218901 is an equidigital number, since it uses as much as digits as its factorization.

1079218901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118902.

The product of its (nonzero) digits is 9072, while the sum is 38.

The square root of 1079218901 is about 32851.4672579476. The cubic root of 1079218901 is about 1025.7381638148.

The spelling of 1079218901 in words is "one billion, seventy-nine million, two hundred eighteen thousand, nine hundred one".