1120278812 has 12 divisors (see below), whose sum is σ = 1965284160. Its totient is φ = 558769056.

The previous prime is 1120278799. The next prime is 1120278827. The reversal of 1120278812 is 2188720211.

It is a happy number.

It is a super-2 number, since 2×1120278812² = 2510049233232262688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340748 + ... + 344019.

It is an arithmetic number, because the mean of its divisors is an integer number (163773680).

Almost surely, 2^1120278812 is an apocalyptic number.

It is an amenable number.

1120278812 is a deficient number, since it is larger than the sum of its proper divisors (845005348).

1120278812 is a wasteful number, since it uses less digits than its factorization.

1120278812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685180 (or 685178 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 32.

The square root of 1120278812 is about 33470.5663531408. The cubic root of 1120278812 is about 1038.5849876053.

The spelling of 1120278812 in words is "one billion, one hundred twenty million, two hundred seventy-eight thousand, eight hundred twelve".