1210133155 has 64 divisors (see below), whose sum is σ = 1928448000. Its totient is φ = 721311360.

The previous prime is 1210133087. The next prime is 1210133167. The reversal of 1210133155 is 5513310121.

It is not a de Polignac number, because 1210133155 - 2²⁵ = 1176578723 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 432501 + ... + 435289.

It is an arithmetic number, because the mean of its divisors is an integer number (30132000).

Almost surely, 2^1210133155 is an apocalyptic number.

1210133155 is a deficient number, since it is larger than the sum of its proper divisors (718314845).

1210133155 is a wasteful number, since it uses less digits than its factorization.

1210133155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2835 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1210133155 is about 34786.9681777530. The cubic root of 1210133155 is about 1065.6413235604.

Adding to 1210133155 its reverse (5513310121), we get a palindrome (6723443276).

The spelling of 1210133155 in words is "one billion, two hundred ten million, one hundred thirty-three thousand, one hundred fifty-five".