1011612201 has 8 divisors (see below), whose sum is σ = 1354413984. Its totient is φ = 671609280.

The previous prime is 1011612187. The next prime is 1011612211. The reversal of 1011612201 is 1022161101.

It is a happy number.

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

It is not a de Polignac number, because 1011612201 - 2⁵ = 1011612169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011612211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698871 + ... + 700316.

It is an arithmetic number, because the mean of its divisors is an integer number (169301748).

Almost surely, 2^1011612201 is an apocalyptic number.

It is an amenable number.

1011612201 is a deficient number, since it is larger than the sum of its proper divisors (342801783).

1011612201 is a wasteful number, since it uses less digits than its factorization.

1011612201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399431.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1011612201 is about 31805.8516785827. The cubic root of 1011612201 is about 1003.8558470016.

Adding to 1011612201 its reverse (1022161101), we get a palindrome (2033773302).

The spelling of 1011612201 in words is "one billion, eleven million, six hundred twelve thousand, two hundred one".