1120251025 has 6 divisors (see below), whose sum is σ = 1389111302. Its totient is φ = 896200800.

The previous prime is 1120251017. The next prime is 1120251029. The reversal of 1120251025 is 5201520211.

It can be written as a sum of positive squares in 3 ways, for example, as 12759184 + 1107491841 = 3572^2 + 33279^2 .

It is not a de Polignac number, because 1120251025 - 2³ = 1120251017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120250993 and 1120251011.

It is not an unprimeable number, because it can be changed into a prime (1120251029) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 22404996 + ... + 22405045.

Almost surely, 2^1120251025 is an apocalyptic number.

It is an amenable number.

1120251025 is a deficient number, since it is larger than the sum of its proper divisors (268860277).

1120251025 is an equidigital number, since it uses as much as digits as its factorization.

1120251025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44810051 (or 44810046 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1120251025 is about 33470.1512545133. The cubic root of 1120251025 is about 1038.5764006359.

Adding to 1120251025 its reverse (5201520211), we get a palindrome (6321771236).

It can be divided in two parts, 112025 and 1025, that added together give a triangular number (113050 = T₄₇₅).

The spelling of 1120251025 in words is "one billion, one hundred twenty million, two hundred fifty-one thousand, twenty-five".