1440001101 has 16 divisors (see below), whose sum is σ = 2393768448. Its totient is φ = 748052400.

The previous prime is 1440001097. The next prime is 1440001111. The reversal of 1440001101 is 1011000441.

It is not a de Polignac number, because 1440001101 - 2² = 1440001097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440001111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3116655 + ... + 3117116.

It is an arithmetic number, because the mean of its divisors is an integer number (149610528).

Almost surely, 2^1440001101 is an apocalyptic number.

1440001101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1440001101 is a deficient number, since it is larger than the sum of its proper divisors (953767347).

1440001101 is a wasteful number, since it uses less digits than its factorization.

1440001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233792.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1440001101 is about 37947.3464289665. The cubic root of 1440001101 is about 1129.2435224573.

Adding to 1440001101 its reverse (1011000441), we get a palindrome (2451001542).

The spelling of 1440001101 in words is "one billion, four hundred forty million, one thousand, one hundred one".