1230725836 has 12 divisors (see below), whose sum is σ = 2267126680. Its totient is φ = 582975360.

The previous prime is 1230725831. The next prime is 1230725851. The reversal of 1230725836 is 6385270321.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1230725795 and 1230725804.

It is not an unprimeable number, because it can be changed into a prime (1230725831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8096805 + ... + 8096956.

Almost surely, 2^1230725836 is an apocalyptic number.

It is an amenable number.

1230725836 is a deficient number, since it is larger than the sum of its proper divisors (1036400844).

1230725836 is a wasteful number, since it uses less digits than its factorization.

1230725836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16193784 (or 16193782 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1230725836 is about 35081.7022962113. The cubic root of 1230725836 is about 1071.6519845203.

The spelling of 1230725836 in words is "one billion, two hundred thirty million, seven hundred twenty-five thousand, eight hundred thirty-six".