1009200047 has 2 divisors, whose sum is σ = 1009200048. Its totient is φ = 1009200046.

The previous prime is 1009200013. The next prime is 1009200061. The reversal of 1009200047 is 7400029001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009200047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1009199995 and 1009200031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009200007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504600023 + 504600024.

It is an arithmetic number, because the mean of its divisors is an integer number (504600024).

Almost surely, 2^1009200047 is an apocalyptic number.

1009200047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009200047 is an equidigital number, since it uses as much as digits as its factorization.

1009200047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1009200047 is about 31767.9090750399. The cubic root of 1009200047 is about 1003.0573255679.

Adding to 1009200047 its reverse (7400029001), we get a palindrome (8409229048).

The spelling of 1009200047 in words is "one billion, nine million, two hundred thousand, forty-seven".