1225132634 has 8 divisors (see below), whose sum is σ = 2004762528. Its totient is φ = 556878460.

The previous prime is 1225132633. The next prime is 1225132639. The reversal of 1225132634 is 4362315221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1225132597 and 1225132606.

It is not an unprimeable number, because it can be changed into a prime (1225132631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27843902 + ... + 27843945.

It is an arithmetic number, because the mean of its divisors is an integer number (250595316).

Almost surely, 2^1225132634 is an apocalyptic number.

1225132634 is a deficient number, since it is larger than the sum of its proper divisors (779629894).

1225132634 is a wasteful number, since it uses less digits than its factorization.

1225132634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55687860.

The product of its digits is 8640, while the sum is 29.

The square root of 1225132634 is about 35001.8947201434. The cubic root of 1225132634 is about 1070.0260959659.

Adding to 1225132634 its reverse (4362315221), we get a palindrome (5587447855).

The spelling of 1225132634 in words is "one billion, two hundred twenty-five million, one hundred thirty-two thousand, six hundred thirty-four".