1321020086 has 8 divisors (see below), whose sum is σ = 1981710360. Its totient is φ = 660449968.

The previous prime is 1321020053. The next prime is 1321020109. The reversal of 1321020086 is 6800201231.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6185 + ... + 51771.

It is an arithmetic number, because the mean of its divisors is an integer number (247713795).

Almost surely, 2^1321020086 is an apocalyptic number.

1321020086 is a deficient number, since it is larger than the sum of its proper divisors (660690274).

1321020086 is a wasteful number, since it uses less digits than its factorization.

1321020086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60078.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1321020086 is about 36345.8400095527. The cubic root of 1321020086 is about 1097.2438121908.

The spelling of 1321020086 in words is "one billion, three hundred twenty-one million, twenty thousand, eighty-six".