1225413254 has 24 divisors (see below), whose sum is σ = 1993946040. Its totient is φ = 564565248.

The previous prime is 1225413253. The next prime is 1225413271. The reversal of 1225413254 is 4523145221.

It is a super-4 number, since 4×1225413254⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225413253) 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 11 ways as a sum of consecutive naturals, for example, 206294 + ... + 212150.

It is an arithmetic number, because the mean of its divisors is an integer number (83081085).

Almost surely, 2^1225413254 is an apocalyptic number.

1225413254 is a deficient number, since it is larger than the sum of its proper divisors (768532786).

1225413254 is a wasteful number, since it uses less digits than its factorization.

1225413254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6504 (or 6491 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1225413254 is about 35005.9031307578. The cubic root of 1225413254 is about 1070.1077872026.

Adding to 1225413254 its reverse (4523145221), we get a palindrome (5748558475).

The spelling of 1225413254 in words is "one billion, two hundred twenty-five million, four hundred thirteen thousand, two hundred fifty-four".