1153247620 has 48 divisors (see below), whose sum is σ = 2770483968. Its totient is φ = 395015040.

The previous prime is 1153247569. The next prime is 1153247621. The reversal of 1153247620 is 267423511.

It is not an unprimeable number, because it can be changed into a prime (1153247621) 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, 166425 + ... + 173215.

It is an arithmetic number, because the mean of its divisors is an integer number (57718416).

Almost surely, 2^1153247620 is an apocalyptic number.

1153247620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153247620 is an abundant number, since it is smaller than the sum of its proper divisors (1617236348).

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

1153247620 is a wasteful number, since it uses less digits than its factorization.

1153247620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1153247620 is about 33959.4997018507. The cubic root of 1153247620 is about 1048.6748574204.

The spelling of 1153247620 in words is "one billion, one hundred fifty-three million, two hundred forty-seven thousand, six hundred twenty".