1120561061 has 4 divisors (see below), whose sum is σ = 1156708224. Its totient is φ = 1084413900.

The previous prime is 1120561051. The next prime is 1120561063. The reversal of 1120561061 is 1601650211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1120561061 - 2¹⁸ = 1120298917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120561063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18073535 + ... + 18073596.

It is an arithmetic number, because the mean of its divisors is an integer number (289177056).

Almost surely, 2^1120561061 is an apocalyptic number.

It is an amenable number.

1120561061 is a deficient number, since it is larger than the sum of its proper divisors (36147163).

1120561061 is an equidigital number, since it uses as much as digits as its factorization.

1120561061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36147162.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1120561061 is about 33474.7824638189. The cubic root of 1120561061 is about 1038.6722024891.

The spelling of 1120561061 in words is "one billion, one hundred twenty million, five hundred sixty-one thousand, sixty-one".