1253072205 has 48 divisors (see below), whose sum is σ = 2707945344. Its totient is φ = 520755840.

The previous prime is 1253072203. The next prime is 1253072243. The reversal of 1253072205 is 5022703521.

It is not a de Polignac number, because 1253072205 - 2¹ = 1253072203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253072203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177354 + ... + 184283.

It is an arithmetic number, because the mean of its divisors is an integer number (56415528).

Almost surely, 2^1253072205 is an apocalyptic number.

1253072205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1253072205 is an abundant number, since it is smaller than the sum of its proper divisors (1454873139).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253072205 is a wasteful number, since it uses less digits than its factorization.

1253072205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361666 (or 361663 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 1253072205 is about 35398.7599359074. The cubic root of 1253072205 is about 1078.0991383336.

Adding to 1253072205 its reverse (5022703521), we get a palindrome (6275775726).

The spelling of 1253072205 in words is "one billion, two hundred fifty-three million, seventy-two thousand, two hundred five".