1000557147 has 16 divisors (see below), whose sum is σ = 1383664640. Its totient is φ = 642448800.

The previous prime is 1000557143. The next prime is 1000557179. The reversal of 1000557147 is 7417550001.

It is not a de Polignac number, because 1000557147 - 2² = 1000557143 is a prime.

It is a super-2 number, since 2×1000557147² = 2002229208825559218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000557143) 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 15 ways as a sum of consecutive naturals, for example, 5872 + ... + 45117.

It is an arithmetic number, because the mean of its divisors is an integer number (86479040).

Almost surely, 2^1000557147 is an apocalyptic number.

1000557147 is a deficient number, since it is larger than the sum of its proper divisors (383107493).

1000557147 is a wasteful number, since it uses less digits than its factorization.

1000557147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51234.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 1000557147 is about 31631.5846425689. The cubic root of 1000557147 is about 1000.1856811870.

The spelling of 1000557147 in words is "one billion, five hundred fifty-seven thousand, one hundred forty-seven".