1225502132 has 6 divisors (see below), whose sum is σ = 2144628738. Its totient is φ = 612751064.

The previous prime is 1225502081. The next prime is 1225502149. The reversal of 1225502132 is 2312055221.

It can be written as a sum of positive squares in only one way, i.e., 1207979536 + 17522596 = 34756^2 + 4186^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1225502098 and 1225502107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153187763 + ... + 153187770.

It is an arithmetic number, because the mean of its divisors is an integer number (357438123).

Almost surely, 2^1225502132 is an apocalyptic number.

It is an amenable number.

1225502132 is a deficient number, since it is larger than the sum of its proper divisors (919126606).

1225502132 is a wasteful number, since it uses less digits than its factorization.

1225502132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306375537 (or 306375535 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1225502132 is about 35007.1725793444. The cubic root of 1225502132 is about 1070.1336578603.

Adding to 1225502132 its reverse (2312055221), we get a palindrome (3537557353).

The spelling of 1225502132 in words is "one billion, two hundred twenty-five million, five hundred two thousand, one hundred thirty-two".