1205252345 has 8 divisors (see below), whose sum is σ = 1577784960. Its totient is φ = 876547120.

The previous prime is 1205252341. The next prime is 1205252401. The reversal of 1205252345 is 5432525021.

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

It is not a de Polignac number, because 1205252345 - 2² = 1205252341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1205252341) 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, 10956785 + ... + 10956894.

It is an arithmetic number, because the mean of its divisors is an integer number (197223120).

Almost surely, 2^1205252345 is an apocalyptic number.

It is an amenable number.

1205252345 is a deficient number, since it is larger than the sum of its proper divisors (372532615).

1205252345 is a wasteful number, since it uses less digits than its factorization.

1205252345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21913695.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1205252345 is about 34716.7444470244. The cubic root of 1205252345 is about 1064.2067152707.

Adding to 1205252345 its reverse (5432525021), we get a palindrome (6637777366).

The spelling of 1205252345 in words is "one billion, two hundred five million, two hundred fifty-two thousand, three hundred forty-five".