1025320122 has 48 divisors (see below), whose sum is σ = 2277145728. Its totient is φ = 333244800.

The previous prime is 1025320091. The next prime is 1025320129. The reversal of 1025320122 is 2210235201.

1025320122 is a `hidden beast` number, since 10 + 2 + 532 + 0 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1025320095 and 1025320104.

It is not an unprimeable number, because it can be changed into a prime (1025320129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853122 + ... + 854322.

It is an arithmetic number, because the mean of its divisors is an integer number (47440536).

Almost surely, 2^1025320122 is an apocalyptic number.

1025320122 is an abundant number, since it is smaller than the sum of its proper divisors (1251825606).

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

1025320122 is a wasteful number, since it uses less digits than its factorization.

1025320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1025320122 is about 32020.6202625746. The cubic root of 1025320122 is about 1008.3697918076.

Adding to 1025320122 its reverse (2210235201), we get a palindrome (3235555323).

The spelling of 1025320122 in words is "one billion, twenty-five million, three hundred twenty thousand, one hundred twenty-two".