1122120984 has 32 divisors (see below), whose sum is σ = 2831526720. Its totient is φ = 370543776.

The previous prime is 1122120971. The next prime is 1122120997. The reversal of 1122120984 is 4890212211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1122120971) and next prime (1122120997).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215914 + ... + 221049.

It is an arithmetic number, because the mean of its divisors is an integer number (88485210).

Almost surely, 2^1122120984 is an apocalyptic number.

It is an amenable number.

1122120984 is an abundant number, since it is smaller than the sum of its proper divisors (1709405736).

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

1122120984 is a wasteful number, since it uses less digits than its factorization.

1122120984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437079 (or 437075 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1122120984 is about 33498.0743327135. The cubic root of 1122120984 is about 1039.1539544290.

The spelling of 1122120984 in words is "one billion, one hundred twenty-two million, one hundred twenty thousand, nine hundred eighty-four".