1047550205 has 16 divisors (see below), whose sum is σ = 1386779184. Its totient is φ = 754705920.

The previous prime is 1047550193. The next prime is 1047550211. The reversal of 1047550205 is 5020557401.

It can be written as a sum of positive squares in 8 ways, for example, as 502701241 + 544848964 = 22421^2 + 23342^2 .

It is not a de Polignac number, because 1047550205 - 2⁸ = 1047549949 is a prime.

It is a super-2 number, since 2×1047550205² = 2194722863991084050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193874 + ... + 199203.

It is an arithmetic number, because the mean of its divisors is an integer number (86673699).

Almost surely, 2^1047550205 is an apocalyptic number.

It is an amenable number.

1047550205 is a deficient number, since it is larger than the sum of its proper divisors (339228979).

1047550205 is a wasteful number, since it uses less digits than its factorization.

1047550205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393136.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 1047550205 is about 32365.8802599280. The cubic root of 1047550205 is about 1015.6052769093.

The spelling of 1047550205 in words is "one billion, forty-seven million, five hundred fifty thousand, two hundred five".