1881214071 has 8 divisors (see below), whose sum is σ = 2736311424. Its totient is φ = 1140129720.

The previous prime is 1881214037. The next prime is 1881214081. The reversal of 1881214071 is 1704121881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1881214071 - 2¹⁴ = 1881197687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 57006487 = 1881214071 / (1 + 8 + 8 + 1 + 2 + 1 + 4 + 0 + 7 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881214081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28503211 + ... + 28503276.

It is an arithmetic number, because the mean of its divisors is an integer number (342038928).

Almost surely, 2^1881214071 is an apocalyptic number.

1881214071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1881214071 is a deficient number, since it is larger than the sum of its proper divisors (855097353).

1881214071 is a wasteful number, since it uses less digits than its factorization.

1881214071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57006501.

The product of its (nonzero) digits is 3584, while the sum is 33.

The square root of 1881214071 is about 43372.9647476397. The cubic root of 1881214071 is about 1234.4667765344.

The spelling of 1881214071 in words is "one billion, eight hundred eighty-one million, two hundred fourteen thousand, seventy-one".