1270006225 has 6 divisors (see below), whose sum is σ = 1574807750. Its totient is φ = 1016004960.

The previous prime is 1270006217. The next prime is 1270006261. The reversal of 1270006225 is 5226000721.

It can be written as a sum of positive squares in 3 ways, for example, as 194100624 + 1075905601 = 13932^2 + 32801^2 .

It is not a de Polignac number, because 1270006225 - 2³ = 1270006217 is a prime.

It is a super-2 number, since 2×1270006225² = 3225831623077501250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 50800249 = 1270006225 / (1 + 2 + 7 + 0 + 0 + 0 + 6 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1270006225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25400100 + ... + 25400149.

Almost surely, 2^1270006225 is an apocalyptic number.

It is an amenable number.

1270006225 is a deficient number, since it is larger than the sum of its proper divisors (304801525).

1270006225 is an equidigital number, since it uses as much as digits as its factorization.

1270006225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50800259 (or 50800254 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1270006225 is about 35637.1467011600. The cubic root of 1270006225 is about 1082.9339021867.

Adding to 1270006225 its reverse (5226000721), we get a palindrome (6496006946).

It can be divided in two parts, 127000 and 6225, that added together give a square (133225 = 365²).

The spelling of 1270006225 in words is "one billion, two hundred seventy million, six thousand, two hundred twenty-five".