1000287457 has 16 divisors (see below), whose sum is σ = 1150224768. Its totient is φ = 862646400.

The previous prime is 1000287443. The next prime is 1000287469. The reversal of 1000287457 is 7547820001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1000287457 - 2¹¹ = 1000285409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000287257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26044 + ... + 51757.

It is an arithmetic number, because the mean of its divisors is an integer number (71889048).

Almost surely, 2^1000287457 is an apocalyptic number.

It is an amenable number.

1000287457 is a deficient number, since it is larger than the sum of its proper divisors (149937311).

1000287457 is a wasteful number, since it uses less digits than its factorization.

1000287457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77880.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 1000287457 is about 31627.3213693477. The cubic root of 1000287457 is about 1000.0958098202.

The spelling of 1000287457 in words is "one billion, two hundred eighty-seven thousand, four hundred fifty-seven".