1296286602 has 128 divisors (see below), whose sum is σ = 3004646400. Its totient is φ = 369954816.

The previous prime is 1296286591. The next prime is 1296286657. The reversal of 1296286602 is 2066826921.

It is a super-4 number, since 4×1296286602⁴ (a number of 38 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9461878 + ... + 9462014.

It is an arithmetic number, because the mean of its divisors is an integer number (23473800).

Almost surely, 2^1296286602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1296286602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502323200).

1296286602 is an abundant number, since it is smaller than the sum of its proper divisors (1708359798).

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

1296286602 is a wasteful number, since it uses less digits than its factorization.

1296286602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1296286602 is about 36003.9803632876. The cubic root of 1296286602 is about 1090.3527186640.

The spelling of 1296286602 in words is "one billion, two hundred ninety-six million, two hundred eighty-six thousand, six hundred two".