1285706076 has 48 divisors (see below), whose sum is σ = 3063244800. Its totient is φ = 419617152.

The previous prime is 1285706057. The next prime is 1285706077. The reversal of 1285706076 is 6706075821.

It is a super-2 number, since 2×1285706076² = 3306080227726635552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285706077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116485 + ... + 127043.

It is an arithmetic number, because the mean of its divisors is an integer number (63817600).

Almost surely, 2^1285706076 is an apocalyptic number.

It is an amenable number.

1285706076 is an abundant number, since it is smaller than the sum of its proper divisors (1777538724).

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

1285706076 is a wasteful number, since it uses less digits than its factorization.

1285706076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778 (or 10776 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1285706076 is about 35856.7438008529. The cubic root of 1285706076 is about 1087.3780585693.

The spelling of 1285706076 in words is "one billion, two hundred eighty-five million, seven hundred six thousand, seventy-six".