1205228307 has 8 divisors (see below), whose sum is σ = 1607544976. Its totient is φ = 803198592.

The previous prime is 1205228293. The next prime is 1205228329. The reversal of 1205228307 is 7038225021.

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

It is not a de Polignac number, because 1205228307 - 2¹⁸ = 1204966163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1205228377) 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, 61738 + ... + 78879.

It is an arithmetic number, because the mean of its divisors is an integer number (200943122).

Almost surely, 2^1205228307 is an apocalyptic number.

1205228307 is a deficient number, since it is larger than the sum of its proper divisors (402316669).

1205228307 is a wasteful number, since it uses less digits than its factorization.

1205228307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143477.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1205228307 is about 34716.3982434814. The cubic root of 1205228307 is about 1064.1996402458.

The spelling of 1205228307 in words is "one billion, two hundred five million, two hundred twenty-eight thousand, three hundred seven".