1210445253 has 12 divisors (see below), whose sum is σ = 1748898060. Its totient is φ = 806743296.

The previous prime is 1210445231. The next prime is 1210445263. The reversal of 1210445253 is 3525440121.

1210445253 is a `hidden beast` number, since 1 + 210 + 445 + 2 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 240932484 + 969512769 = 15522^2 + 31137^2 .

It is not a de Polignac number, because 1210445253 - 2⁸ = 1210444997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210445263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20875 + ... + 53447.

It is an arithmetic number, because the mean of its divisors is an integer number (145741505).

Almost surely, 2^1210445253 is an apocalyptic number.

It is an amenable number.

1210445253 is a deficient number, since it is larger than the sum of its proper divisors (538452807).

1210445253 is a wasteful number, since it uses less digits than its factorization.

1210445253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36708 (or 36705 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1210445253 is about 34791.4537350770. The cubic root of 1210445253 is about 1065.7329266860.

Adding to 1210445253 its reverse (3525440121), we get a palindrome (4735885374).

The spelling of 1210445253 in words is "one billion, two hundred ten million, four hundred forty-five thousand, two hundred fifty-three".