1024995 has 16 divisors (see below), whose sum is σ = 1711872. Its totient is φ = 522720.

The previous prime is 1024987. The next prime is 1024997. The reversal of 1024995 is 5994201.

1024995 = 200² + 201² + ... + 222².

It is a happy number.

It is not a de Polignac number, because 1024995 - 2³ = 1024987 is a prime.

It is a super-2 number, since 2×1024995² = 2101229500050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1024997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141 + ... + 1830.

It is an arithmetic number, because the mean of its divisors is an integer number (106992).

2^1024995 is an apocalyptic number.

1024995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1024995 is a deficient number, since it is larger than the sum of its proper divisors (686877).

1024995 is a wasteful number, since it uses less digits than its factorization.

1024995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1024995 is about 1012.4203672388. The cubic root of 1024995 is about 100.8263198151.

The spelling of 1024995 in words is "one million, twenty-four thousand, nine hundred ninety-five".