1225561096 has 16 divisors (see below), whose sum is σ = 2346819840. Its totient is φ = 599742480.

The previous prime is 1225561091. The next prime is 1225561109. The reversal of 1225561096 is 6901655221.

It is not an unprimeable number, because it can be changed into a prime (1225561091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629360 + ... + 1630111.

It is an arithmetic number, because the mean of its divisors is an integer number (146676240).

Almost surely, 2^1225561096 is an apocalyptic number.

It is an amenable number.

1225561096 is a deficient number, since it is larger than the sum of its proper divisors (1121258744).

1225561096 is a wasteful number, since it uses less digits than its factorization.

1225561096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259524 (or 3259520 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1225561096 is about 35008.0147394850. The cubic root of 1225561096 is about 1070.1508204441.

The spelling of 1225561096 in words is "one billion, two hundred twenty-five million, five hundred sixty-one thousand, ninety-six".