1009949247 has 6 divisors (see below), whose sum is σ = 1458815592. Its totient is φ = 673299492.

The previous prime is 1009949221. The next prime is 1009949287. The reversal of 1009949247 is 7429499001.

It is a happy number.

It is not a de Polignac number, because 1009949247 - 2⁶ = 1009949183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009949287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56108283 + ... + 56108300.

It is an arithmetic number, because the mean of its divisors is an integer number (243135932).

Almost surely, 2^1009949247 is an apocalyptic number.

1009949247 is a deficient number, since it is larger than the sum of its proper divisors (448866345).

1009949247 is a wasteful number, since it uses less digits than its factorization.

1009949247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112216589 (or 112216586 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1009949247 is about 31779.6986612523. The cubic root of 1009949247 is about 1003.3054774468.

The spelling of 1009949247 in words is "one billion, nine million, nine hundred forty-nine thousand, two hundred forty-seven".