1487451081 has 8 divisors (see below), whose sum is σ = 2087650720. Its totient is φ = 939442752.

The previous prime is 1487451047. The next prime is 1487451089. The reversal of 1487451081 is 1801547841.

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

It is not a de Polignac number, because 1487451081 - 2⁷ = 1487450953 is a prime.

It is a super-2 number, since 2×1487451081² = 4425021436736137122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1487451089) 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, 13047760 + ... + 13047873.

It is an arithmetic number, because the mean of its divisors is an integer number (260956340).

Almost surely, 2^1487451081 is an apocalyptic number.

It is an amenable number.

1487451081 is a deficient number, since it is larger than the sum of its proper divisors (600199639).

1487451081 is a wasteful number, since it uses less digits than its factorization.

1487451081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26095655.

The product of its (nonzero) digits is 35840, while the sum is 39.

The square root of 1487451081 is about 38567.4873565805. The cubic root of 1487451081 is about 1141.5130931604.

The spelling of 1487451081 in words is "one billion, four hundred eighty-seven million, four hundred fifty-one thousand, eighty-one".