1190206253 has 4 divisors (see below), whose sum is σ = 1191052380. Its totient is φ = 1189360128.

The previous prime is 1190206247. The next prime is 1190206273. The reversal of 1190206253 is 3526020911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17623204 + 1172583049 = 4198^2 + 34243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1190206253 - 2¹⁶ = 1190140717 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 (1190206243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420950 + ... + 423767.

It is an arithmetic number, because the mean of its divisors is an integer number (297763095).

Almost surely, 2^1190206253 is an apocalyptic number.

It is an amenable number.

1190206253 is a deficient number, since it is larger than the sum of its proper divisors (846127).

1190206253 is an equidigital number, since it uses as much as digits as its factorization.

1190206253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846126.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1190206253 is about 34499.3659796814. The cubic root of 1190206253 is about 1059.7597215559.

The spelling of 1190206253 in words is "one billion, one hundred ninety million, two hundred six thousand, two hundred fifty-three".