1253200156 has 12 divisors (see below), whose sum is σ = 2361800392. Its totient is φ = 578400048.

The previous prime is 1253200099. The next prime is 1253200163. The reversal of 1253200156 is 6510023521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253200156.

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 in 3 ways as a sum of consecutive naturals, for example, 12049950 + ... + 12050053.

Almost surely, 2^1253200156 is an apocalyptic number.

It is an amenable number.

1253200156 is a deficient number, since it is larger than the sum of its proper divisors (1108600236).

1253200156 is a wasteful number, since it uses less digits than its factorization.

1253200156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24100020 (or 24100018 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1253200156 is about 35400.5671705977. The cubic root of 1253200156 is about 1078.1358319276.

Adding to 1253200156 its reverse (6510023521), we get a palindrome (7763223677).

The spelling of 1253200156 in words is "one billion, two hundred fifty-three million, two hundred thousand, one hundred fifty-six".