1021440095 has 32 divisors (see below), whose sum is σ = 1405252800. Its totient is φ = 706489344.

The previous prime is 1021440071. The next prime is 1021440113. The reversal of 1021440095 is 5900441201.

It is a cyclic number.

It is not a de Polignac number, because 1021440095 - 2¹⁶ = 1021374559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105269 + ... + 114561.

It is an arithmetic number, because the mean of its divisors is an integer number (43914150).

Almost surely, 2^1021440095 is an apocalyptic number.

1021440095 is a deficient number, since it is larger than the sum of its proper divisors (383812705).

1021440095 is a wasteful number, since it uses less digits than its factorization.

1021440095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9419.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1021440095 is about 31959.9764549350. The cubic root of 1021440095 is about 1007.0962228414.

Adding to 1021440095 its reverse (5900441201), we get a palindrome (6921881296).

The spelling of 1021440095 in words is "one billion, twenty-one million, four hundred forty thousand, ninety-five".