1254720226 has 8 divisors (see below), whose sum is σ = 1942792704. Its totient is φ = 607122660.

The previous prime is 1254720217. The next prime is 1254720301. The reversal of 1254720226 is 6220274521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10118650 + ... + 10118773.

It is an arithmetic number, because the mean of its divisors is an integer number (242849088).

Almost surely, 2^1254720226 is an apocalyptic number.

1254720226 is a deficient number, since it is larger than the sum of its proper divisors (688072478).

1254720226 is a wasteful number, since it uses less digits than its factorization.

1254720226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20237456.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1254720226 is about 35422.0302354340. The cubic root of 1254720226 is about 1078.5715643366.

Adding to 1254720226 its reverse (6220274521), we get a palindrome (7474994747).

The spelling of 1254720226 in words is "one billion, two hundred fifty-four million, seven hundred twenty thousand, two hundred twenty-six".