1153243630 has 32 divisors (see below), whose sum is σ = 2588060160. Its totient is φ = 359452320.

The previous prime is 1153243601. The next prime is 1153243631. The reversal of 1153243630 is 363423511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153243631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748090 + ... + 749629.

It is an arithmetic number, because the mean of its divisors is an integer number (80876880).

Almost surely, 2^1153243630 is an apocalyptic number.

1153243630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1153243630 is an abundant number, since it is smaller than the sum of its proper divisors (1434816530).

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

1153243630 is a wasteful number, since it uses less digits than its factorization.

1153243630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497744.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1153243630 is about 33959.4409553514. The cubic root of 1153243630 is about 1048.6736480191.

The spelling of 1153243630 in words is "one billion, one hundred fifty-three million, two hundred forty-three thousand, six hundred thirty".