1228210153 has 8 divisors (see below), whose sum is σ = 1266104520. Its totient is φ = 1190563200.

The previous prime is 1228210121. The next prime is 1228210163. The reversal of 1228210153 is 3510128221.

It can be written as a sum of positive squares in 4 ways, for example, as 433139344 + 795070809 = 20812^2 + 28197^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1228210153 - 2⁵ = 1228210121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228210163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51748 + ... + 71653.

It is an arithmetic number, because the mean of its divisors is an integer number (158263065).

Almost surely, 2^1228210153 is an apocalyptic number.

It is an amenable number.

1228210153 is a deficient number, since it is larger than the sum of its proper divisors (37894367).

1228210153 is a wasteful number, since it uses less digits than its factorization.

1228210153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123707.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1228210153 is about 35045.8293239010. The cubic root of 1228210153 is about 1070.9213111841.

Adding to 1228210153 its reverse (3510128221), we get a palindrome (4738338374).

The spelling of 1228210153 in words is "one billion, two hundred twenty-eight million, two hundred ten thousand, one hundred fifty-three".