1025120552 has 16 divisors (see below), whose sum is σ = 1935931200. Its totient is φ = 508872240.

The previous prime is 1025120549. The next prime is 1025120563. The reversal of 1025120552 is 2550215201.

It is a super-2 number, since 2×1025120552² = 2101744292265569408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459824 + ... + 462047.

It is an arithmetic number, because the mean of its divisors is an integer number (120995700).

Almost surely, 2^1025120552 is an apocalyptic number.

It is an amenable number.

1025120552 is a deficient number, since it is larger than the sum of its proper divisors (910810648).

1025120552 is a wasteful number, since it uses less digits than its factorization.

1025120552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922016 (or 922012 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1025120552 is about 32017.5038377448. The cubic root of 1025120552 is about 1008.3043639758.

Adding to 1025120552 its reverse (2550215201), we get a palindrome (3575335753).

It can be divided in two parts, 10251 and 20552, that added together give a palindrome (30803).

The spelling of 1025120552 in words is "one billion, twenty-five million, one hundred twenty thousand, five hundred fifty-two".