1150703820 has 480 divisors, whose sum is σ = 4496228352. Its totient is φ = 240371712.

The previous prime is 1150703797. The next prime is 1150703839. The reversal of 1150703820 is 283070511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 9060597 + ... + 9060723.

Almost surely, 2^1150703820 is an apocalyptic number.

1150703820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150703820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2248114176).

1150703820 is an abundant number, since it is smaller than the sum of its proper divisors (3345524532).

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

1150703820 is a wasteful number, since it uses less digits than its factorization.

1150703820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1150703820 is about 33922.0255881043. The cubic root of 1150703820 is about 1047.9032443257.

The spelling of 1150703820 in words is "one billion, one hundred fifty million, seven hundred three thousand, eight hundred twenty".