1120040221 has 16 divisors (see below), whose sum is σ = 1174339584. Its totient is φ = 1067182704.

The previous prime is 1120040183. The next prime is 1120040237. The reversal of 1120040221 is 1220400211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1120040221 - 2⁹ = 1120039709 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120040021) 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, 773320 + ... + 774766.

It is an arithmetic number, because the mean of its divisors is an integer number (73396224).

Almost surely, 2^1120040221 is an apocalyptic number.

It is an amenable number.

1120040221 is a deficient number, since it is larger than the sum of its proper divisors (54299363).

1120040221 is a wasteful number, since it uses less digits than its factorization.

1120040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1120040221 is about 33467.0019720919. The cubic root of 1120040221 is about 1038.5112516086.

Adding to 1120040221 its reverse (1220400211), we get a palindrome (2340440432).

The spelling of 1120040221 in words is "one billion, one hundred twenty million, forty thousand, two hundred twenty-one".