1012359858 has 16 divisors (see below), whose sum is σ = 2112751296. Its totient is φ = 322781360.

The previous prime is 1012359857. The next prime is 1012359863. The reversal of 1012359858 is 8589532101.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012359853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3667833 + ... + 3668108.

It is an arithmetic number, because the mean of its divisors is an integer number (132046956).

Almost surely, 2^1012359858 is an apocalyptic number.

1012359858 is an abundant number, since it is smaller than the sum of its proper divisors (1100391438).

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

1012359858 is a wasteful number, since it uses less digits than its factorization.

1012359858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335969.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 1012359858 is about 31817.6029581111. The cubic root of 1012359858 is about 1004.1030942585.

The spelling of 1012359858 in words is "one billion, twelve million, three hundred fifty-nine thousand, eight hundred fifty-eight".