1122035561 has 12 divisors (see below), whose sum is σ = 1153224576. Its totient is φ = 1091669280.

The previous prime is 1122035539. The next prime is 1122035597. The reversal of 1122035561 is 1655302211.

It is not a de Polignac number, because 1122035561 - 2¹⁸ = 1121773417 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122035561.

It is not an unprimeable number, because it can be changed into a prime (1122035521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844880 + ... + 846206.

It is an arithmetic number, because the mean of its divisors is an integer number (96102048).

Almost surely, 2^1122035561 is an apocalyptic number.

It is an amenable number.

1122035561 is a deficient number, since it is larger than the sum of its proper divisors (31189015).

1122035561 is an equidigital number, since it uses as much as digits as its factorization.

1122035561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1122035561 is about 33496.7992650044. The cubic root of 1122035561 is about 1039.1275847528.

Adding to 1122035561 its reverse (1655302211), we get a palindrome (2777337772).

The spelling of 1122035561 in words is "one billion, one hundred twenty-two million, thirty-five thousand, five hundred sixty-one".