1225452150 has 144 divisors (see below), whose sum is σ = 3621893184. Its totient is φ = 295165440.

The previous prime is 1225452133. The next prime is 1225452161. The reversal of 1225452150 is 512545221.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 272722 + ... + 277178.

It is an arithmetic number, because the mean of its divisors is an integer number (25152036).

Almost surely, 2^1225452150 is an apocalyptic number.

1225452150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225452150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810946592).

1225452150 is an abundant number, since it is smaller than the sum of its proper divisors (2396441034).

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

1225452150 is a wasteful number, since it uses less digits than its factorization.

1225452150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535 (or 4527 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1225452150 is about 35006.4586897904. The cubic root of 1225452150 is about 1070.1191092258.

Adding to 1225452150 its reverse (512545221), we get a palindrome (1737997371).

The spelling of 1225452150 in words is "one billion, two hundred twenty-five million, four hundred fifty-two thousand, one hundred fifty".