1101231001 has 8 divisors (see below), whose sum is σ = 1191123080. Its totient is φ = 1012079232.

The previous prime is 1101230971. The next prime is 1101231017. The reversal of 1101231001 is 1001321011.

It can be written as a sum of positive squares in 4 ways, for example, as 48163600 + 1053067401 = 6940^2 + 32451^2 .

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 1101231001 - 2¹³ = 1101222809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101231031) 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, 181980 + ... + 187933.

It is an arithmetic number, because the mean of its divisors is an integer number (148890385).

Almost surely, 2^1101231001 is an apocalyptic number.

It is an amenable number.

1101231001 is a deficient number, since it is larger than the sum of its proper divisors (89892079).

1101231001 is a wasteful number, since it uses less digits than its factorization.

1101231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370155.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1101231001 is about 33184.8007527543. The cubic root of 1101231001 is about 1032.6650439790.

Adding to 1101231001 its reverse (1001321011), we get a palindrome (2102552012).

The spelling of 1101231001 in words is "one billion, one hundred one million, two hundred thirty-one thousand, one".