1225242360 has 384 divisors, whose sum is σ = 4564123200. Its totient is φ = 283115520.

The previous prime is 1225242349. The next prime is 1225242367. The reversal of 1225242360 is 632425221.

It is a happy number.

1225242360 is a `hidden beast` number, since 12 + 252 + 42 + 360 = 666.

1225242360 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1225242360³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225242367) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4767352 + ... + 4767608.

Almost surely, 2^1225242360 is an apocalyptic number.

1225242360 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 1225242360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2282061600).

1225242360 is an abundant number, since it is smaller than the sum of its proper divisors (3338880840).

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

1225242360 is a wasteful number, since it uses less digits than its factorization.

1225242360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1225242360 is about 35003.4621144823. The cubic root of 1225242360 is about 1070.0580397667.

Adding to 1225242360 its reverse (632425221), we get a palindrome (1857667581).

The spelling of 1225242360 in words is "one billion, two hundred twenty-five million, two hundred forty-two thousand, three hundred sixty".