1980946122 has 16 divisors (see below), whose sum is σ = 4029043680. Its totient is φ = 649123472.

The previous prime is 1980946111. The next prime is 1980946133. The reversal of 1980946122 is 2216490891.

It is an interprime number because it is at equal distance from previous prime (1980946111) and next prime (1980946133).

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, 2797593 + ... + 2798300.

It is an arithmetic number, because the mean of its divisors is an integer number (251815230).

Almost surely, 2^1980946122 is an apocalyptic number.

1980946122 is an abundant number, since it is smaller than the sum of its proper divisors (2048097558).

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

1980946122 is a wasteful number, since it uses less digits than its factorization.

1980946122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595957.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1980946122 is about 44507.8209082404. The cubic root of 1980946122 is about 1255.9072125898.

The spelling of 1980946122 in words is "one billion, nine hundred eighty million, nine hundred forty-six thousand, one hundred twenty-two".