1228607653 has 16 divisors (see below), whose sum is σ = 1547303296. Its totient is φ = 949475520.

The previous prime is 1228607651. The next prime is 1228607657. The reversal of 1228607653 is 3567068221.

It is not a de Polignac number, because 1228607653 - 2¹ = 1228607651 is a prime.

It is the 35052-nd Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228607651) by changing a digit.

It is a nontrivial repunit in base 35051.

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 15 ways as a sum of consecutive naturals, for example, 153078 + ... + 160903.

It is an arithmetic number, because the mean of its divisors is an integer number (96706456).

Almost surely, 2^1228607653 is an apocalyptic number.

1228607653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1228607653 is a deficient number, since it is larger than the sum of its proper divisors (318695643).

1228607653 is a wasteful number, since it uses less digits than its factorization.

1228607653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314044.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1228607653 is about 35051.5000106985. The cubic root of 1228607653 is about 1071.0368303143.

The spelling of 1228607653 in words is "one billion, two hundred twenty-eight million, six hundred seven thousand, six hundred fifty-three".