1206253953 has 12 divisors (see below), whose sum is σ = 1753058320. Its totient is φ = 799234776.

The previous prime is 1206253949. The next prime is 1206253957. The reversal of 1206253953 is 3593526021.

1206253953 is a `hidden beast` number, since 1 + 20 + 625 + 3 + 9 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1206253949) and next prime (1206253957).

It is not a de Polignac number, because 1206253953 - 2² = 1206253949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1206253957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409663 + ... + 412596.

Almost surely, 2^1206253953 is an apocalyptic number.

It is an amenable number.

1206253953 is a deficient number, since it is larger than the sum of its proper divisors (546804367).

1206253953 is a wasteful number, since it uses less digits than its factorization.

1206253953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822428 (or 822425 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 1206253953 is about 34731.1668822111. The cubic root of 1206253953 is about 1064.5014316505.

Adding to 1206253953 its reverse (3593526021), we get a palindrome (4799779974).

The spelling of 1206253953 in words is "one billion, two hundred six million, two hundred fifty-three thousand, nine hundred fifty-three".