1225254300 has 72 divisors (see below), whose sum is σ = 3587853696. Its totient is φ = 322791360.

The previous prime is 1225254299. The next prime is 1225254347. The reversal of 1225254300 is 34525221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297 + ... + 49503.

Almost surely, 2^1225254300 is an apocalyptic number.

1225254300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225254300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793926848).

1225254300 is an abundant number, since it is smaller than the sum of its proper divisors (2362599396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225254300 is a wasteful number, since it uses less digits than its factorization.

1225254300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49307 (or 49300 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1225254300 is about 35003.6326686246. The cubic root of 1225254300 is about 1070.0615156644.

Adding to 1225254300 its reverse (34525221), we get a palindrome (1259779521).

The spelling of 1225254300 in words is "one billion, two hundred twenty-five million, two hundred fifty-four thousand, three hundred".