1286220034 has 16 divisors (see below), whose sum is σ = 2228531616. Its totient is φ = 550254400.

The previous prime is 1286219993. The next prime is 1286220043. The reversal of 1286220034 is 4300226821.

It is a super-2 number, since 2×1286220034² = 3308723951725922312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1286219984 and 1286220011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719172 + ... + 1719919.

It is an arithmetic number, because the mean of its divisors is an integer number (139283226).

Almost surely, 2^1286220034 is an apocalyptic number.

1286220034 is a deficient number, since it is larger than the sum of its proper divisors (942311582).

1286220034 is a wasteful number, since it uses less digits than its factorization.

1286220034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439121.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1286220034 is about 35863.9099095456. The cubic root of 1286220034 is about 1087.5229315462.

Adding to 1286220034 its reverse (4300226821), we get a palindrome (5586446855).

It can be divided in two parts, 12862 and 20034, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 1286220034 in words is "one billion, two hundred eighty-six million, two hundred twenty thousand, thirty-four".