1200531253 has 8 divisors (see below), whose sum is σ = 1253161728. Its totient is φ = 1147936944.

The previous prime is 1200531247. The next prime is 1200531257. The reversal of 1200531253 is 3521350021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200531253 - 2⁵ = 1200531221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200531257) 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 7 ways as a sum of consecutive naturals, for example, 75876 + ... + 90322.

It is an arithmetic number, because the mean of its divisors is an integer number (156645216).

Almost surely, 2^1200531253 is an apocalyptic number.

It is an amenable number.

1200531253 is a deficient number, since it is larger than the sum of its proper divisors (52630475).

1200531253 is a wasteful number, since it uses less digits than its factorization.

1200531253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18083.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1200531253 is about 34648.6832794552. The cubic root of 1200531253 is about 1062.8153628670.

Adding to 1200531253 its reverse (3521350021), we get a palindrome (4721881274).

The spelling of 1200531253 in words is "one billion, two hundred million, five hundred thirty-one thousand, two hundred fifty-three".