1152216620 has 24 divisors (see below), whose sum is σ = 2547006000. Its totient is φ = 436629312.

The previous prime is 1152216619. The next prime is 1152216629. The reversal of 1152216620 is 266122511.

It is a self number, because there is not a number n which added to its sum of digits gives 1152216620.

It is not an unprimeable number, because it can be changed into a prime (1152216629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515695 + ... + 1516454.

It is an arithmetic number, because the mean of its divisors is an integer number (106125250).

Almost surely, 2^1152216620 is an apocalyptic number.

1152216620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152216620 is an abundant number, since it is smaller than the sum of its proper divisors (1394789380).

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

1152216620 is a wasteful number, since it uses less digits than its factorization.

1152216620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032177 (or 3032175 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1152216620 is about 33944.3164609335. The cubic root of 1152216620 is about 1048.3622601629.

The spelling of 1152216620 in words is "one billion, one hundred fifty-two million, two hundred sixteen thousand, six hundred twenty".