1243470660 has 24 divisors (see below), whose sum is σ = 3481718016. Its totient is φ = 331592160.

The previous prime is 1243470653. The next prime is 1243470703. The reversal of 1243470660 is 660743421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10362196 + ... + 10362315.

It is an arithmetic number, because the mean of its divisors is an integer number (145071584).

Almost surely, 2^1243470660 is an apocalyptic number.

1243470660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1243470660 is an abundant number, since it is smaller than the sum of its proper divisors (2238247356).

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

1243470660 is a wasteful number, since it uses less digits than its factorization.

1243470660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20724523 (or 20724521 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1243470660 is about 35262.8793492534. The cubic root of 1243470660 is about 1075.3384649029.

The spelling of 1243470660 in words is "one billion, two hundred forty-three million, four hundred seventy thousand, six hundred sixty".