1120322121 has 16 divisors (see below), whose sum is σ = 1512146880. Its totient is φ = 737707520.

The previous prime is 1120322081. The next prime is 1120322141. The reversal of 1120322121 is 1212230211.

It is a cyclic number.

It is not a de Polignac number, because 1120322121 - 2⁶ = 1120322057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120322121.

It is not an unprimeable number, because it can be changed into a prime (1120322141) 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, 361846 + ... + 364928.

It is an arithmetic number, because the mean of its divisors is an integer number (94509180).

Almost surely, 2^1120322121 is an apocalyptic number.

It is an amenable number.

1120322121 is a deficient number, since it is larger than the sum of its proper divisors (391824759).

1120322121 is a wasteful number, since it uses less digits than its factorization.

1120322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1120322121 is about 33471.2133183128. The cubic root of 1120322121 is about 1038.5983710289.

Adding to 1120322121 its reverse (1212230211), we get a palindrome (2332552332).

The spelling of 1120322121 in words is "one billion, one hundred twenty million, three hundred twenty-two thousand, one hundred twenty-one".