1206342505 has 8 divisors (see below), whose sum is σ = 1447828992. Its totient is φ = 964928688.

The previous prime is 1206342421. The next prime is 1206342517. The reversal of 1206342505 is 5052436021.

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 1206342505 - 2¹³ = 1206334313 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, 29944 + ... + 57526.

It is an arithmetic number, because the mean of its divisors is an integer number (180978624).

Almost surely, 2^1206342505 is an apocalyptic number.

It is an amenable number.

1206342505 is a deficient number, since it is larger than the sum of its proper divisors (241486487).

1206342505 is an equidigital number, since it uses as much as digits as its factorization.

1206342505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36335.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1206342505 is about 34732.4416792140. The cubic root of 1206342505 is about 1064.5274796271.

Adding to 1206342505 its reverse (5052436021), we get a palindrome (6258778526).

The spelling of 1206342505 in words is "one billion, two hundred six million, three hundred forty-two thousand, five hundred five".