1205200326 has 16 divisors (see below), whose sum is σ = 2629528128. Its totient is φ = 365212200.

The previous prime is 1205200319. The next prime is 1205200327. The reversal of 1205200326 is 6230025021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205200327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9130240 + ... + 9130371.

It is an arithmetic number, because the mean of its divisors is an integer number (164345508).

Almost surely, 2^1205200326 is an apocalyptic number.

1205200326 is an abundant number, since it is smaller than the sum of its proper divisors (1424327802).

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

1205200326 is a wasteful number, since it uses less digits than its factorization.

1205200326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18260627.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1205200326 is about 34715.9952471480. The cubic root of 1205200326 is about 1064.1914045722.

Adding to 1205200326 its reverse (6230025021), we get a palindrome (7435225347).

The spelling of 1205200326 in words is "one billion, two hundred five million, two hundred thousand, three hundred twenty-six".