1150221940 has 48 divisors (see below), whose sum is σ = 2763782784. Its totient is φ = 393897600.

The previous prime is 1150221937. The next prime is 1150221967. The reversal of 1150221940 is 491220511.

It is a happy number.

1150221940 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1150221940² = 2646021022514727200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 127375 + ... + 136105.

It is an arithmetic number, because the mean of its divisors is an integer number (57578808).

Almost surely, 2^1150221940 is an apocalyptic number.

1150221940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150221940 is an abundant number, since it is smaller than the sum of its proper divisors (1613560844).

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

1150221940 is a wasteful number, since it uses less digits than its factorization.

1150221940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9688 (or 9686 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1150221940 is about 33914.9220845338. The cubic root of 1150221940 is about 1047.7569471608.

The spelling of 1150221940 in words is "one billion, one hundred fifty million, two hundred twenty-one thousand, nine hundred forty".