1000646130 has 64 divisors (see below), whose sum is σ = 2690713728. Its totient is φ = 236021760.

The previous prime is 1000646107. The next prime is 1000646137. The reversal of 1000646130 is 316460001.

It is a junction number, because it is equal to n+sod(n) for n = 1000646097 and 1000646106.

It is not an unprimeable number, because it can be changed into a prime (1000646137) 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 31 ways as a sum of consecutive naturals, for example, 28767 + ... + 53186.

It is an arithmetic number, because the mean of its divisors is an integer number (42042402).

Almost surely, 2^1000646130 is an apocalyptic number.

1000646130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000646130 is an abundant number, since it is smaller than the sum of its proper divisors (1690067598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000646130 is a wasteful number, since it uses less digits than its factorization.

1000646130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82011.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1000646130 is about 31632.9911642892. The cubic root of 1000646130 is about 1000.2153302962.

The spelling of 1000646130 in words is "one billion, six hundred forty-six thousand, one hundred thirty".