1230520036 has 12 divisors (see below), whose sum is σ = 2155370112. Its totient is φ = 614700008.

The previous prime is 1230520013. The next prime is 1230520043. The reversal of 1230520036 is 6300250321.

It is a junction number, because it is equal to n+sod(n) for n = 1230519989 and 1230520016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135040 + ... + 143863.

It is an arithmetic number, because the mean of its divisors is an integer number (179614176).

Almost surely, 2^1230520036 is an apocalyptic number.

It is an amenable number.

1230520036 is a deficient number, since it is larger than the sum of its proper divisors (924850076).

1230520036 is a wasteful number, since it uses less digits than its factorization.

1230520036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280010 (or 280008 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1230520036 is about 35078.7690205914. The cubic root of 1230520036 is about 1071.5922478819.

Adding to 1230520036 its reverse (6300250321), we get a palindrome (7530770357).

The spelling of 1230520036 in words is "one billion, two hundred thirty million, five hundred twenty thousand, thirty-six".