1022053540 has 24 divisors (see below), whose sum is σ = 2191980672. Its totient is φ = 400122720.

The previous prime is 1022053531. The next prime is 1022053547. The reversal of 1022053540 is 453502201.

It is not an unprimeable number, because it can be changed into a prime (1022053547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542706 + ... + 544585.

It is an arithmetic number, because the mean of its divisors is an integer number (91332528).

Almost surely, 2^1022053540 is an apocalyptic number.

1022053540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022053540 is an abundant number, since it is smaller than the sum of its proper divisors (1169927132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022053540 is a wasteful number, since it uses less digits than its factorization.

1022053540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087347 (or 1087345 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1022053540 is about 31969.5720959790. The cubic root of 1022053540 is about 1007.2977926674.

Adding to 1022053540 its reverse (453502201), we get a palindrome (1475555741).

The spelling of 1022053540 in words is "one billion, twenty-two million, fifty-three thousand, five hundred forty".