1206750225 has 24 divisors (see below), whose sum is σ = 2022500512. Its totient is φ = 634780800.

The previous prime is 1206750221. The next prime is 1206750247. The reversal of 1206750225 is 5220576021.

It is not a de Polignac number, because 1206750225 - 2² = 1206750221 is a prime.

It is a super-2 number, since 2×1206750225² = 2912492211075101250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1206750192 and 1206750201.

It is not an unprimeable number, because it can be changed into a prime (1206750221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104731 + ... + 115680.

Almost surely, 2^1206750225 is an apocalyptic number.

1206750225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1206750225 is a deficient number, since it is larger than the sum of its proper divisors (815750287).

1206750225 is a wasteful number, since it uses less digits than its factorization.

1206750225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220497 (or 220492 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1206750225 is about 34738.3106238631. The cubic root of 1206750225 is about 1064.6473958902.

The spelling of 1206750225 in words is "one billion, two hundred six million, seven hundred fifty thousand, two hundred twenty-five".