1152010121 has 8 divisors (see below), whose sum is σ = 1172395560. Its totient is φ = 1131798528.

The previous prime is 1152010073. The next prime is 1152010129. The reversal of 1152010121 is 1210102511.

It can be written as a sum of positive squares in 4 ways, for example, as 24393721 + 1127616400 = 4939^2 + 33580^2 .

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-1152010121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1152010096 and 1152010105.

It is not an unprimeable number, because it can be changed into a prime (1152010129) 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, 30056 + ... + 56633.

It is an arithmetic number, because the mean of its divisors is an integer number (146549445).

Almost surely, 2^1152010121 is an apocalyptic number.

It is an amenable number.

1152010121 is a deficient number, since it is larger than the sum of its proper divisors (20385439).

1152010121 is an equidigital number, since it uses as much as digits as its factorization.

1152010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86923.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1152010121 is about 33941.2745930379. The cubic root of 1152010121 is about 1048.2996276426.

Adding to 1152010121 its reverse (1210102511), we get a palindrome (2362112632).

The spelling of 1152010121 in words is "one billion, one hundred fifty-two million, ten thousand, one hundred twenty-one".