1120637601 has 12 divisors (see below), whose sum is σ = 1620991060. Its totient is φ = 746033760.

The previous prime is 1120637597. The next prime is 1120637627. The reversal of 1120637601 is 1067360211.

1120637601 is a `hidden beast` number, since 1 + 1 + 20 + 6 + 37 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 595311201 + 525326400 = 24399^2 + 22920^2 .

It is not a de Polignac number, because 1120637601 - 2² = 1120637597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1120737601) 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 11 ways as a sum of consecutive naturals, for example, 81430 + ... + 94191.

Almost surely, 2^1120637601 is an apocalyptic number.

It is an amenable number.

1120637601 is a deficient number, since it is larger than the sum of its proper divisors (500353459).

1120637601 is a wasteful number, since it uses less digits than its factorization.

1120637601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176336 (or 176333 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1120637601 is about 33475.9256929513. The cubic root of 1120637601 is about 1038.6958508093.

Adding to 1120637601 its reverse (1067360211), we get a palindrome (2187997812).

The spelling of 1120637601 in words is "one billion, one hundred twenty million, six hundred thirty-seven thousand, six hundred one".