1471111087 has 4 divisors (see below), whose sum is σ = 1481694760. Its totient is φ = 1460527416.

The previous prime is 1471111063. The next prime is 1471111097. The reversal of 1471111087 is 7801111741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7801111741 = 64621 ⋅120721.

It is a cyclic number.

It is not a de Polignac number, because 1471111087 - 2²³ = 1462722479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1471111097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5291628 + ... + 5291905.

It is an arithmetic number, because the mean of its divisors is an integer number (370423690).

Almost surely, 2^1471111087 is an apocalyptic number.

1471111087 is a deficient number, since it is larger than the sum of its proper divisors (10583673).

1471111087 is a wasteful number, since it uses less digits than its factorization.

1471111087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583672.

The product of its (nonzero) digits is 1568, while the sum is 31.

The square root of 1471111087 is about 38355.0659887322. The cubic root of 1471111087 is about 1137.3177648247.

The spelling of 1471111087 in words is "one billion, four hundred seventy-one million, one hundred eleven thousand, eighty-seven".