1285108674 has 32 divisors (see below), whose sum is σ = 2636093376. Its totient is φ = 417415680.

The previous prime is 1285108673. The next prime is 1285108687. The reversal of 1285108674 is 4768015821.

It is not an unprimeable number, because it can be changed into a prime (1285108673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237669 + ... + 243015.

It is an arithmetic number, because the mean of its divisors is an integer number (82377918).

Almost surely, 2^1285108674 is an apocalyptic number.

1285108674 is an abundant number, since it is smaller than the sum of its proper divisors (1350984702).

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

1285108674 is a wasteful number, since it uses less digits than its factorization.

1285108674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370.

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 1285108674 is about 35848.4124334677. The cubic root of 1285108674 is about 1087.2096161138.

The spelling of 1285108674 in words is "one billion, two hundred eighty-five million, one hundred eight thousand, six hundred seventy-four".