1122089561 has 8 divisors (see below), whose sum is σ = 1126344960. Its totient is φ = 1117841968.

The previous prime is 1122089509. The next prime is 1122089567. The reversal of 1122089561 is 1659802211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122089561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122089567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507320 + ... + 509526.

It is an arithmetic number, because the mean of its divisors is an integer number (140793120).

Almost surely, 2^1122089561 is an apocalyptic number.

It is an amenable number.

1122089561 is a deficient number, since it is larger than the sum of its proper divisors (4255399).

1122089561 is a wasteful number, since it uses less digits than its factorization.

1122089561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1122089561 is about 33497.6053024690. The cubic root of 1122089561 is about 1039.1442544531.

The spelling of 1122089561 in words is "one billion, one hundred twenty-two million, eighty-nine thousand, five hundred sixty-one".