1202352345 has 24 divisors (see below), whose sum is σ = 2105570376. Its totient is φ = 634641408.

The previous prime is 1202352343. The next prime is 1202352367. The reversal of 1202352345 is 5432532021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17065161 + 1185287184 = 4131^2 + 34428^2 .

It is not a de Polignac number, because 1202352345 - 2¹ = 1202352343 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1202352341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133362 + ... + 142091.

It is an arithmetic number, because the mean of its divisors is an integer number (87732099).

Almost surely, 2^1202352345 is an apocalyptic number.

1202352345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1202352345 is a deficient number, since it is larger than the sum of its proper divisors (903218031).

1202352345 is a wasteful number, since it uses less digits than its factorization.

1202352345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275561 (or 275558 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1202352345 is about 34674.9527036447. The cubic root of 1202352345 is about 1063.3524880564.

Adding to 1202352345 its reverse (5432532021), we get a palindrome (6634884366).

The spelling of 1202352345 in words is "one billion, two hundred two million, three hundred fifty-two thousand, three hundred forty-five".