1121600611 has 8 divisors (see below), whose sum is σ = 1127455200. Its totient is φ = 1115759040.

The previous prime is 1121600603. The next prime is 1121600617. The reversal of 1121600611 is 1160061211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121600611 - 2³ = 1121600603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121600617) 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 7 ways as a sum of consecutive naturals, for example, 201970 + ... + 207448.

It is an arithmetic number, because the mean of its divisors is an integer number (140931900).

Almost surely, 2^1121600611 is an apocalyptic number.

1121600611 is a deficient number, since it is larger than the sum of its proper divisors (5854589).

1121600611 is an equidigital number, since it uses as much as digits as its factorization.

1121600611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6509.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1121600611 is about 33490.3062243390. The cubic root of 1121600611 is about 1038.9932969839.

Adding to 1121600611 its reverse (1160061211), we get a palindrome (2281661822).

It can be divided in two parts, 1121600 and 611, that added together give a palindrome (1122211).

The spelling of 1121600611 in words is "one billion, one hundred twenty-one million, six hundred thousand, six hundred eleven".