1225133672764 has 48 divisors (see below), whose sum is σ = 2250494013600. Its totient is φ = 582811488000.

The previous prime is 1225133672743. The next prime is 1225133672779. The reversal of 1225133672764 is 4672763315221.

It is a super-2 number, since 2×1225133672764² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2224282 + ... + 2719870.

It is an arithmetic number, because the mean of its divisors is an integer number (46885291950).

Almost surely, 2^{1225133672764} is an apocalyptic number.

It is an amenable number.

1225133672764 is a deficient number, since it is larger than the sum of its proper divisors (1025360340836).

1225133672764 is a wasteful number, since it uses less digits than its factorization.

1225133672764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495934 (or 495932 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

Adding to 1225133672764 its reverse (4672763315221), we get a palindrome (5897896987985).

The spelling of 1225133672764 in words is "one trillion, two hundred twenty-five billion, one hundred thirty-three million, six hundred seventy-two thousand, seven hundred sixty-four".