1210420852 has 6 divisors (see below), whose sum is σ = 2118236498. Its totient is φ = 605210424.

The previous prime is 1210420829. The next prime is 1210420867. The reversal of 1210420852 is 2580240121.

It can be written as a sum of positive squares in only one way, i.e., 606932496 + 603488356 = 24636^2 + 24566^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 151302603 + ... + 151302610.

Almost surely, 2^1210420852 is an apocalyptic number.

It is an amenable number.

1210420852 is a deficient number, since it is larger than the sum of its proper divisors (907815646).

1210420852 is a wasteful number, since it uses less digits than its factorization.

1210420852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302605217 (or 302605215 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 1210420852 is about 34791.1030581096. The cubic root of 1210420852 is about 1065.7257653752.

Adding to 1210420852 its reverse (2580240121), we get a palindrome (3790660973).

The spelling of 1210420852 in words is "one billion, two hundred ten million, four hundred twenty thousand, eight hundred fifty-two".