1225005112 has 16 divisors (see below), whose sum is σ = 2340222840. Its totient is φ = 600945696.

The previous prime is 1225005109. The next prime is 1225005121. The reversal of 1225005112 is 2115005221.

It is a super-2 number, since 2×1225005112² = 3001275048852265088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1225005112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1444158 + ... + 1445005.

Almost surely, 2^1225005112 is an apocalyptic number.

It is an amenable number.

1225005112 is a deficient number, since it is larger than the sum of its proper divisors (1115217728).

1225005112 is a wasteful number, since it uses less digits than its factorization.

1225005112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889222 (or 2889218 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1225005112 is about 35000.0730284952. The cubic root of 1225005112 is about 1069.9889689374.

The spelling of 1225005112 in words is "one billion, two hundred twenty-five million, five thousand, one hundred twelve".