1122078612 has 48 divisors (see below), whose sum is σ = 2662087680. Its totient is φ = 367806432.

The previous prime is 1122078583. The next prime is 1122078619. The reversal of 1122078612 is 2168702211.

It is a self number, because there is not a number n which added to its sum of digits gives 1122078612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122078619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175333 + ... + 181619.

It is an arithmetic number, because the mean of its divisors is an integer number (55460160).

Almost surely, 2^1122078612 is an apocalyptic number.

1122078612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122078612 is an abundant number, since it is smaller than the sum of its proper divisors (1540009068).

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

1122078612 is a wasteful number, since it uses less digits than its factorization.

1122078612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540 (or 6538 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1122078612 is about 33497.4418724774. The cubic root of 1122078612 is about 1039.1408745602.

The spelling of 1122078612 in words is "one billion, one hundred twenty-two million, seventy-eight thousand, six hundred twelve".