1225270368 has 96 divisors (see below), whose sum is σ = 4084254720. Its totient is φ = 350075520.

The previous prime is 1225270367. The next prime is 1225270391. The reversal of 1225270368 is 8630725221.

1225270368 is a `hidden beast` number, since 1 + 2 + 25 + 270 + 368 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225270367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95248 + ... + 107343.

It is an arithmetic number, because the mean of its divisors is an integer number (42544320).

Almost surely, 2^1225270368 is an apocalyptic number.

1225270368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1225270368 is an abundant number, since it is smaller than the sum of its proper divisors (2858984352).

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

1225270368 is a wasteful number, since it uses less digits than its factorization.

1225270368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202617 (or 202603 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1225270368 is about 35003.8621869073. The cubic root of 1225270368 is about 1070.0661932439.

Adding to 1225270368 its reverse (8630725221), we get a palindrome (9855995589).

The spelling of 1225270368 in words is "one billion, two hundred twenty-five million, two hundred seventy thousand, three hundred sixty-eight".