1239068628 has 36 divisors (see below), whose sum is σ = 3579532320. Its totient is φ = 354019536.

The previous prime is 1239068599. The next prime is 1239068669. The reversal of 1239068628 is 8268609321.

1239068628 is a `hidden beast` number, since 12 + 3 + 9 + 0 + 6 + 8 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 2458218 + ... + 2458721.

Almost surely, 2^1239068628 is an apocalyptic number.

1239068628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1239068628 is an abundant number, since it is smaller than the sum of its proper divisors (2340463692).

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

1239068628 is a wasteful number, since it uses less digits than its factorization.

1239068628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916956 (or 4916951 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1239068628 is about 35200.4066453784. The cubic root of 1239068628 is about 1074.0680231148.

It can be divided in two parts, 12390 and 68628, that added together give a palindrome (81018).

The spelling of 1239068628 in words is "one billion, two hundred thirty-nine million, sixty-eight thousand, six hundred twenty-eight".