1121016601 has 16 divisors (see below), whose sum is σ = 1200666240. Its totient is φ = 1042963200.

The previous prime is 1121016593. The next prime is 1121016643. The reversal of 1121016601 is 1066101211.

It is a cyclic number.

It is not a de Polignac number, because 1121016601 - 2³ = 1121016593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121016101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586890 + ... + 588796.

It is an arithmetic number, because the mean of its divisors is an integer number (75041640).

Almost surely, 2^1121016601 is an apocalyptic number.

It is an amenable number.

1121016601 is a deficient number, since it is larger than the sum of its proper divisors (79649639).

1121016601 is a wasteful number, since it uses less digits than its factorization.

1121016601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304.

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

The square root of 1121016601 is about 33481.5859988741. The cubic root of 1121016601 is about 1038.8129333691.

Adding to 1121016601 its reverse (1066101211), we get a palindrome (2187117812).

The spelling of 1121016601 in words is "one billion, one hundred twenty-one million, sixteen thousand, six hundred one".