1232079820 has 48 divisors (see below), whose sum is σ = 2623315968. Its totient is φ = 486025920.

The previous prime is 1232079809. The next prime is 1232079829. The reversal of 1232079820 is 289702321.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1232079829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557157 + ... + 559363.

It is an arithmetic number, because the mean of its divisors is an integer number (54652416).

Almost surely, 2^1232079820 is an apocalyptic number.

1232079820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232079820 is an abundant number, since it is smaller than the sum of its proper divisors (1391236148).

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

1232079820 is a wasteful number, since it uses less digits than its factorization.

1232079820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1232079820 is about 35100.9945728038. The cubic root of 1232079820 is about 1072.0448334168.

The spelling of 1232079820 in words is "one billion, two hundred thirty-two million, seventy-nine thousand, eight hundred twenty".