1021114245 has 32 divisors (see below), whose sum is σ = 1756385280. Its totient is φ = 504947520.

The previous prime is 1021114219. The next prime is 1021114253. The reversal of 1021114245 is 5424111201.

It is not a de Polignac number, because 1021114245 - 2⁶ = 1021114181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24721 + ... + 51510.

It is an arithmetic number, because the mean of its divisors is an integer number (54887040).

Almost surely, 2^1021114245 is an apocalyptic number.

1021114245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021114245 is a deficient number, since it is larger than the sum of its proper divisors (735271035).

1021114245 is a wasteful number, since it uses less digits than its factorization.

1021114245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76305.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1021114245 is about 31954.8782660801. The cubic root of 1021114245 is about 1006.9891200663.

Adding to 1021114245 its reverse (5424111201), we get a palindrome (6445225446).

The spelling of 1021114245 in words is "one billion, twenty-one million, one hundred fourteen thousand, two hundred forty-five".