1225244130 has 64 divisors (see below), whose sum is σ = 3239761536. Its totient is φ = 294080000.

The previous prime is 1225244087. The next prime is 1225244131. The reversal of 1225244130 is 314425221.

1225244130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1225244130.

It is not an unprimeable number, because it can be changed into a prime (1225244131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14950 + ... + 51710.

It is an arithmetic number, because the mean of its divisors is an integer number (50621274).

Almost surely, 2^1225244130 is an apocalyptic number.

1225244130 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 1225244130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1619880768).

1225244130 is an abundant number, since it is smaller than the sum of its proper divisors (2014517406).

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

1225244130 is a wasteful number, since it uses less digits than its factorization.

1225244130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36883.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1225244130 is about 35003.4873976865. The cubic root of 1225244130 is about 1070.0585550394.

Adding to 1225244130 its reverse (314425221), we get a palindrome (1539669351).

The spelling of 1225244130 in words is "one billion, two hundred twenty-five million, two hundred forty-four thousand, one hundred thirty".