1000781034 has 32 divisors (see below), whose sum is σ = 2298447360. Its totient is φ = 287305200.

The previous prime is 1000781021. The next prime is 1000781051. The reversal of 1000781034 is 4301870001.

It is a junction number, because it is equal to n+sod(n) for n = 1000780995 and 1000781013.

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, 397782 + ... + 400289.

It is an arithmetic number, because the mean of its divisors is an integer number (71826480).

Almost surely, 2^1000781034 is an apocalyptic number.

1000781034 is an abundant number, since it is smaller than the sum of its proper divisors (1297666326).

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

1000781034 is a wasteful number, since it uses less digits than its factorization.

1000781034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798106.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1000781034 is about 31635.1234231827. The cubic root of 1000781034 is about 1000.2602769167.

The spelling of 1000781034 in words is "one billion, seven hundred eighty-one thousand, thirty-four".