1149141920 has 24 divisors (see below), whose sum is σ = 2714848164. Its totient is φ = 459656704.

The previous prime is 1149141901. The next prime is 1149141949. The reversal of 1149141920 is 291419411.

It can be written as a sum of positive squares in 2 ways, for example, as 1138927504 + 10214416 = 33748^2 + 3196^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 3590909 + ... + 3591228.

Almost surely, 2^1149141920 is an apocalyptic number.

1149141920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1149141920 is an abundant number, since it is smaller than the sum of its proper divisors (1565706244).

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

1149141920 is an equidigital number, since it uses as much as digits as its factorization.

1149141920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182152 (or 7182144 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1149141920 is about 33898.9958553347. The cubic root of 1149141920 is about 1047.4289082026.

The spelling of 1149141920 in words is "one billion, one hundred forty-nine million, one hundred forty-one thousand, nine hundred twenty".