1012685740 has 24 divisors (see below), whose sum is σ = 2319971472. Its totient is φ = 368249280.

The previous prime is 1012685719. The next prime is 1012685741. The reversal of 1012685740 is 475862101.

It is a junction number, because it is equal to n+sod(n) for n = 1012685696 and 1012685705.

It is not an unprimeable number, because it can be changed into a prime (1012685741) 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 7 ways as a sum of consecutive naturals, for example, 2301339 + ... + 2301778.

It is an arithmetic number, because the mean of its divisors is an integer number (96665478).

Almost surely, 2^1012685740 is an apocalyptic number.

1012685740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012685740 is an abundant number, since it is smaller than the sum of its proper divisors (1307285732).

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

1012685740 is a wasteful number, since it uses less digits than its factorization.

1012685740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603137 (or 4603135 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1012685740 is about 31822.7236420769. The cubic root of 1012685740 is about 1004.2108240732.

The spelling of 1012685740 in words is "one billion, twelve million, six hundred eighty-five thousand, seven hundred forty".