1200002345 has 8 divisors (see below), whose sum is σ = 1502611776. Its totient is φ = 918262576.

The previous prime is 1200002329. The next prime is 1200002359. The reversal of 1200002345 is 5432000021.

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 1200002345 - 2⁴ = 1200002329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5217287 + ... + 5217516.

It is an arithmetic number, because the mean of its divisors is an integer number (187826472).

Almost surely, 2^1200002345 is an apocalyptic number.

It is an amenable number.

1200002345 is a deficient number, since it is larger than the sum of its proper divisors (302609431).

1200002345 is a wasteful number, since it uses less digits than its factorization.

1200002345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10434831.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1200002345 is about 34641.0499985205. The cubic root of 1200002345 is about 1062.6592613861.

Adding to 1200002345 its reverse (5432000021), we get a palindrome (6632002366).

The spelling of 1200002345 in words is "one billion, two hundred million, two thousand, three hundred forty-five".