1153124985 has 16 divisors (see below), whose sum is σ = 1848680064. Its totient is φ = 613773312.

The previous prime is 1153124971. The next prime is 1153125019. The reversal of 1153124985 is 5894213511.

It is not a de Polignac number, because 1153124985 - 2¹⁴ = 1153108601 is a prime.

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, 68872 + ... + 83961.

It is an arithmetic number, because the mean of its divisors is an integer number (115542504).

Almost surely, 2^1153124985 is an apocalyptic number.

1153124985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153124985 is a deficient number, since it is larger than the sum of its proper divisors (695555079).

1153124985 is a wasteful number, since it uses less digits than its factorization.

1153124985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153344.

The product of its digits is 43200, while the sum is 39.

The square root of 1153124985 is about 33957.6940471523. The cubic root of 1153124985 is about 1048.6376844844.

The spelling of 1153124985 in words is "one billion, one hundred fifty-three million, one hundred twenty-four thousand, nine hundred eighty-five".