1210066851 has 32 divisors (see below), whose sum is σ = 2055144960. Its totient is φ = 616536576.

The previous prime is 1210066843. The next prime is 1210066859. The reversal of 1210066851 is 1586600121.

It is an interprime number because it is at equal distance from previous prime (1210066843) and next prime (1210066859).

It is not a de Polignac number, because 1210066851 - 2³ = 1210066843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210066859) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 82416 + ... + 95981.

It is an arithmetic number, because the mean of its divisors is an integer number (64223280).

Almost surely, 2^1210066851 is an apocalyptic number.

1210066851 is a deficient number, since it is larger than the sum of its proper divisors (845078109).

1210066851 is a wasteful number, since it uses less digits than its factorization.

1210066851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178443.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1210066851 is about 34786.0151641432. The cubic root of 1210066851 is about 1065.6218608061.

Adding to 1210066851 its reverse (1586600121), we get a palindrome (2796666972).

The spelling of 1210066851 in words is "one billion, two hundred ten million, sixty-six thousand, eight hundred fifty-one".