1024021245 has 32 divisors (see below), whose sum is σ = 1857340800. Its totient is φ = 477598464.

The previous prime is 1024021241. The next prime is 1024021247. The reversal of 1024021245 is 5421204201.

It is not a de Polignac number, because 1024021245 - 2² = 1024021241 is a prime.

It is a super-2 number, since 2×1024021245² = 2097239020422700050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024021241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134490 + ... + 141899.

It is an arithmetic number, because the mean of its divisors is an integer number (58041900).

Almost surely, 2^1024021245 is an apocalyptic number.

1024021245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1024021245 is a deficient number, since it is larger than the sum of its proper divisors (833319555).

1024021245 is a wasteful number, since it uses less digits than its factorization.

1024021245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276429.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1024021245 is about 32000.3319514033. The cubic root of 1024021245 is about 1007.9438104465.

Adding to 1024021245 its reverse (5421204201), we get a palindrome (6445225446).

The spelling of 1024021245 in words is "one billion, twenty-four million, twenty-one thousand, two hundred forty-five".