1230643602 has 24 divisors (see below), whose sum is σ = 2667300636. Its totient is φ = 410075136.

The previous prime is 1230643591. The next prime is 1230643607. The reversal of 1230643602 is 2063460321.

1230643602 is a `hidden beast` number, since 12 + 3 + 0 + 6 + 43 + 602 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1086427521 + 144216081 = 32961^2 + 12009^2 .

It is not an unprimeable number, because it can be changed into a prime (1230643607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52338 + ... + 72114.

Almost surely, 2^1230643602 is an apocalyptic number.

1230643602 is an abundant number, since it is smaller than the sum of its proper divisors (1436657034).

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

1230643602 is a wasteful number, since it uses less digits than its factorization.

1230643602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23242 (or 23239 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1230643602 is about 35080.5302411466. The cubic root of 1230643602 is about 1071.6281156267.

The spelling of 1230643602 in words is "one billion, two hundred thirty million, six hundred forty-three thousand, six hundred two".