1152620125 has 16 divisors (see below), whose sum is σ = 1445953392. Its totient is φ = 917299200.

The previous prime is 1152620099. The next prime is 1152620129. The reversal of 1152620125 is 5210262511.

It can be written as a sum of positive squares in 8 ways, for example, as 417017241 + 735602884 = 20421^2 + 27122^2 .

It is not a de Polignac number, because 1152620125 - 2⁵ = 1152620093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152620125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152620129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237 + ... + 48013.

It is an arithmetic number, because the mean of its divisors is an integer number (90372087).

Almost surely, 2^1152620125 is an apocalyptic number.

It is an amenable number.

1152620125 is a deficient number, since it is larger than the sum of its proper divisors (293333267).

1152620125 is an equidigital number, since it uses as much as digits as its factorization.

1152620125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47985 (or 47975 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1152620125 is about 33950.2595719090. The cubic root of 1152620125 is about 1048.4846243190.

Adding to 1152620125 its reverse (5210262511), we get a palindrome (6362882636).

The spelling of 1152620125 in words is "one billion, one hundred fifty-two million, six hundred twenty thousand, one hundred twenty-five".