1148214912 has 128 divisors (see below), whose sum is σ = 3334551360. Its totient is φ = 347922432.

The previous prime is 1148214887. The next prime is 1148214919. The reversal of 1148214912 is 2194128411.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (1148214919) 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 15 ways as a sum of consecutive naturals, for example, 332748 + ... + 336180.

Almost surely, 2^1148214912 is an apocalyptic number.

1148214912 is a gapful number since it is divisible by the number (12) 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 1148214912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667275680).

1148214912 is an abundant number, since it is smaller than the sum of its proper divisors (2186336448).

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

1148214912 is a wasteful number, since it uses less digits than its factorization.

1148214912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530 (or 3518 counting only the distinct ones).

The product of its digits is 4608, while the sum is 33.

The square root of 1148214912 is about 33885.3200073424. The cubic root of 1148214912 is about 1047.1471802538.

The spelling of 1148214912 in words is "one billion, one hundred forty-eight million, two hundred fourteen thousand, nine hundred twelve".