2971871154 has 128 divisors (see below), whose sum is σ = 7830650880. Its totient is φ = 817739712.

The previous prime is 2971871153. The next prime is 2971871213. The reversal of 2971871154 is 4511781792.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2971871153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1439527 + ... + 1441589.

It is an arithmetic number, because the mean of its divisors is an integer number (61176960).

Almost surely, 2^2971871154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2971871154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3915325440).

2971871154 is an abundant number, since it is smaller than the sum of its proper divisors (4858779726).

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

2971871154 is a wasteful number, since it uses less digits than its factorization.

2971871154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221 (or 2215 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The square root of 2971871154 is about 54514.8709436242. The cubic root of 2971871154 is about 1437.7277619095.

The spelling of 2971871154 in words is "two billion, nine hundred seventy-one million, eight hundred seventy-one thousand, one hundred fifty-four".