1420102656 has 132 divisors (see below), whose sum is σ = 4686516432. Its totient is φ = 405725184.

The previous prime is 1420102643. The next prime is 1420102679. The reversal of 1420102656 is 6562010241.

1420102656 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 1 + 0 + 2 + 656 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53506 + ... + 75518.

Almost surely, 2^1420102656 is an apocalyptic number.

1420102656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420102656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2343258216).

1420102656 is an abundant number, since it is smaller than the sum of its proper divisors (3266413776).

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

1420102656 is a wasteful number, since it uses less digits than its factorization.

1420102656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22046 (or 22025 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1420102656 is about 37684.2494419088. The cubic root of 1420102656 is about 1124.0179495029.

Adding to 1420102656 its reverse (6562010241), we get a palindrome (7982112897).

The spelling of 1420102656 in words is "one billion, four hundred twenty million, one hundred two thousand, six hundred fifty-six".