1225866096 has 160 divisors (see below), whose sum is σ = 4330833920. Its totient is φ = 323294976.

The previous prime is 1225866091. The next prime is 1225866101. The reversal of 1225866096 is 6906685221.

1225866096 is a `hidden beast` number, since 1 + 2 + 2 + 586 + 60 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1225866091) and next prime (1225866101).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225866091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23721 + ... + 54903.

It is an arithmetic number, because the mean of its divisors is an integer number (27067712).

Almost surely, 2^1225866096 is an apocalyptic number.

1225866096 is a gapful number since it is divisible by the number (16) 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 1225866096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2165416960).

1225866096 is an abundant number, since it is smaller than the sum of its proper divisors (3104967824).

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

1225866096 is a wasteful number, since it uses less digits than its factorization.

1225866096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31220 (or 31208 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1225866096 is about 35012.3706138273. The cubic root of 1225866096 is about 1070.2395876569.

The spelling of 1225866096 in words is "one billion, two hundred twenty-five million, eight hundred sixty-six thousand, ninety-six".