1102840801 has 4 divisors (see below), whose sum is σ = 1123649172. Its totient is φ = 1082032432.

The previous prime is 1102840763. The next prime is 1102840819. The reversal of 1102840801 is 1080482011.

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 502835776 + 600005025 = 22424^2 + 24495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102840801 - 2²¹ = 1100743649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102840831) 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, 10404106 + ... + 10404211.

It is an arithmetic number, because the mean of its divisors is an integer number (280912293).

Almost surely, 2^1102840801 is an apocalyptic number.

It is an amenable number.

1102840801 is a deficient number, since it is larger than the sum of its proper divisors (20808371).

1102840801 is an equidigital number, since it uses as much as digits as its factorization.

1102840801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20808370.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 1102840801 is about 33209.0469751843. The cubic root of 1102840801 is about 1033.1679886560.

The spelling of 1102840801 in words is "one billion, one hundred two million, eight hundred forty thousand, eight hundred one".