1285620114 has 16 divisors (see below), whose sum is σ = 2590869600. Its totient is φ = 425268480.

The previous prime is 1285620113. The next prime is 1285620137. The reversal of 1285620114 is 4110265821.

It is not an unprimeable number, because it can be changed into a prime (1285620113) 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, 817039 + ... + 818610.

It is an arithmetic number, because the mean of its divisors is an integer number (161929350).

Almost surely, 2^1285620114 is an apocalyptic number.

1285620114 is an abundant number, since it is smaller than the sum of its proper divisors (1305249486).

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

1285620114 is a wasteful number, since it uses less digits than its factorization.

1285620114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635785.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1285620114 is about 35855.5450941692. The cubic root of 1285620114 is about 1087.3538240837.

Adding to 1285620114 its reverse (4110265821), we get a palindrome (5395885935).

The spelling of 1285620114 in words is "one billion, two hundred eighty-five million, six hundred twenty thousand, one hundred fourteen".