1149478210 has 16 divisors (see below), whose sum is σ = 2069451576. Its totient is φ = 459704448.

The previous prime is 1149478181. The next prime is 1149478217. The reversal of 1149478210 is 128749411.

It can be written as a sum of positive squares in 4 ways, for example, as 1046069649 + 103408561 = 32343^2 + 10169^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1149478210.

It is not an unprimeable number, because it can be changed into a prime (1149478217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85294 + ... + 97846.

Almost surely, 2^1149478210 is an apocalyptic number.

1149478210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149478210 is a deficient number, since it is larger than the sum of its proper divisors (919973366).

1149478210 is a wasteful number, since it uses less digits than its factorization.

1149478210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21717.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1149478210 is about 33903.9556689186. The cubic root of 1149478210 is about 1047.5310729880.

The spelling of 1149478210 in words is "one billion, one hundred forty-nine million, four hundred seventy-eight thousand, two hundred ten".