1286420102 has 8 divisors (see below), whose sum is σ = 2105051112. Its totient is φ = 584736400.

The previous prime is 1286420101. The next prime is 1286420143. The reversal of 1286420102 is 2010246821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286420101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29236799 + ... + 29236842.

It is an arithmetic number, because the mean of its divisors is an integer number (263131389).

Almost surely, 2^1286420102 is an apocalyptic number.

1286420102 is a deficient number, since it is larger than the sum of its proper divisors (818631010).

1286420102 is a wasteful number, since it uses less digits than its factorization.

1286420102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58473654.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1286420102 is about 35866.6990675194. The cubic root of 1286420102 is about 1087.5793156930.

Adding to 1286420102 its reverse (2010246821), we get a palindrome (3296666923).

The spelling of 1286420102 in words is "one billion, two hundred eighty-six million, four hundred twenty thousand, one hundred two".