2047121442 has 24 divisors (see below), whose sum is σ = 4438936944. Its totient is φ = 681834264.

The previous prime is 2047121413. The next prime is 2047121477. The reversal of 2047121442 is 2441217402.

2047121442 is a `hidden beast` number, since 204 + 7 + 12 + 1 + 442 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21228 + ... + 67415.

It is an arithmetic number, because the mean of its divisors is an integer number (184955706).

Almost surely, 2^2047121442 is an apocalyptic number.

2047121442 is an abundant number, since it is smaller than the sum of its proper divisors (2391815502).

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

2047121442 is a wasteful number, since it uses less digits than its factorization.

2047121442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89934 (or 89931 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2047121442 is about 45245.1261684615. The cubic root of 2047121442 is about 1269.7392239490.

Adding to 2047121442 its reverse (2441217402), we get a palindrome (4488338844).

The spelling of 2047121442 in words is "two billion, forty-seven million, one hundred twenty-one thousand, four hundred forty-two".