1120642061 has 16 divisors (see below), whose sum is σ = 1416849408. Its totient is φ = 860924400.

The previous prime is 1120641997. The next prime is 1120642069. The reversal of 1120642061 is 1602460211.

It is not a de Polignac number, because 1120642061 - 2⁶ = 1120641997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120642069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97025 + ... + 107958.

It is an arithmetic number, because the mean of its divisors is an integer number (88553088).

Almost surely, 2^1120642061 is an apocalyptic number.

1120642061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120642061 is a deficient number, since it is larger than the sum of its proper divisors (296207347).

1120642061 is a wasteful number, since it uses less digits than its factorization.

1120642061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205072.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1120642061 is about 33475.9923079212. The cubic root of 1120642061 is about 1038.6972287681.

The spelling of 1120642061 in words is "one billion, one hundred twenty million, six hundred forty-two thousand, sixty-one".