1119855012 has 24 divisors (see below), whose sum is σ = 2633573376. Its totient is φ = 370345248.

The previous prime is 1119854999. The next prime is 1119855013. The reversal of 1119855012 is 2105589111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1119855013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365883 + ... + 368930.

It is an arithmetic number, because the mean of its divisors is an integer number (109732224).

Almost surely, 2^1119855012 is an apocalyptic number.

1119855012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1119855012 is an abundant number, since it is smaller than the sum of its proper divisors (1513718364).

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

1119855012 is a wasteful number, since it uses less digits than its factorization.

1119855012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734947 (or 734945 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 33.

The square root of 1119855012 is about 33464.2348186837. The cubic root of 1119855012 is about 1038.4540059760.

The spelling of 1119855012 in words is "one billion, one hundred nineteen million, eight hundred fifty-five thousand, twelve".