1101642801 has 32 divisors (see below), whose sum is σ = 1702010880. Its totient is φ = 620805504.

The previous prime is 1101642779. The next prime is 1101642809. The reversal of 1101642801 is 1082461011.

It is not a de Polignac number, because 1101642801 - 2⁵ = 1101642769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1101642809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1276096 + ... + 1276958.

It is an arithmetic number, because the mean of its divisors is an integer number (53187840).

Almost surely, 2^1101642801 is an apocalyptic number.

It is an amenable number.

1101642801 is a deficient number, since it is larger than the sum of its proper divisors (600368079).

1101642801 is an equidigital number, since it uses as much as digits as its factorization.

1101642801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1101642801 is about 33191.0048205835. The cubic root of 1101642801 is about 1032.7937479684.

The spelling of 1101642801 in words is "one billion, one hundred one million, six hundred forty-two thousand, eight hundred one".