1152631225 has 6 divisors (see below), whose sum is σ = 1429262750. Its totient is φ = 922104960.

The previous prime is 1152631201. The next prime is 1152631231. The reversal of 1152631225 is 5221362511.

It can be written as a sum of positive squares in 3 ways, for example, as 188156089 + 964475136 = 13717^2 + 31056^2 .

It is not a de Polignac number, because 1152631225 - 2¹⁹ = 1152106937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1152631193 and 1152631202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23052600 + ... + 23052649.

Almost surely, 2^1152631225 is an apocalyptic number.

It is an amenable number.

1152631225 is a deficient number, since it is larger than the sum of its proper divisors (276631525).

1152631225 is an equidigital number, since it uses as much as digits as its factorization.

1152631225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46105259 (or 46105254 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1152631225 is about 33950.4230459651. The cubic root of 1152631225 is about 1048.4879900251.

Adding to 1152631225 its reverse (5221362511), we get a palindrome (6373993736).

The spelling of 1152631225 in words is "one billion, one hundred fifty-two million, six hundred thirty-one thousand, two hundred twenty-five".