1230552660 has 48 divisors (see below), whose sum is σ = 3538676736. Its totient is φ = 319277952.

The previous prime is 1230552611. The next prime is 1230552703. The reversal of 1230552660 is 662550321.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274932 + ... + 279371.

It is an arithmetic number, because the mean of its divisors is an integer number (73722432).

Almost surely, 2^1230552660 is an apocalyptic number.

1230552660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230552660 is an abundant number, since it is smaller than the sum of its proper divisors (2308124076).

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

1230552660 is a wasteful number, since it uses less digits than its factorization.

1230552660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554352 (or 554350 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1230552660 is about 35079.2340281255. The cubic root of 1230552660 is about 1071.6017179476.

The spelling of 1230552660 in words is "one billion, two hundred thirty million, five hundred fifty-two thousand, six hundred sixty".