1082171478 has 16 divisors (see below), whose sum is σ = 2166418800. Its totient is φ = 360377856.

The previous prime is 1082171473. The next prime is 1082171509. The reversal of 1082171478 is 8741712801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082171473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79675 + ... + 92262.

It is an arithmetic number, because the mean of its divisors is an integer number (135401175).

Almost surely, 2^1082171478 is an apocalyptic number.

1082171478 is an abundant number, since it is smaller than the sum of its proper divisors (1084247322).

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

1082171478 is a wasteful number, since it uses less digits than its factorization.

1082171478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172991.

The product of its (nonzero) digits is 25088, while the sum is 39.

The square root of 1082171478 is about 32896.3748458702. The cubic root of 1082171478 is about 1026.6727326950.

The spelling of 1082171478 in words is "one billion, eighty-two million, one hundred seventy-one thousand, four hundred seventy-eight".