1254122225 has 12 divisors (see below), whose sum is σ = 1555922736. Its totient is φ = 1002774480.

The previous prime is 1254122183. The next prime is 1254122237. The reversal of 1254122225 is 5222214521.

It is not a de Polignac number, because 1254122225 - 2⁶ = 1254122161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254122194 and 1254122203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40034 + ... + 64116.

It is an arithmetic number, because the mean of its divisors is an integer number (129660228).

Almost surely, 2^1254122225 is an apocalyptic number.

It is an amenable number.

1254122225 is a deficient number, since it is larger than the sum of its proper divisors (301800511).

1254122225 is a wasteful number, since it uses less digits than its factorization.

1254122225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26176 (or 26171 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 1254122225 is about 35413.5881407123. The cubic root of 1254122225 is about 1078.4001876543.

Adding to 1254122225 its reverse (5222214521), we get a palindrome (6476336746).

The spelling of 1254122225 in words is "one billion, two hundred fifty-four million, one hundred twenty-two thousand, two hundred twenty-five".