1226653253 has 8 divisors (see below), whose sum is σ = 1428340608. Its totient is φ = 1031578704.

The previous prime is 1226653199. The next prime is 1226653283. The reversal of 1226653253 is 3523566221.

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 1226653253 - 2⁶ = 1226653189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226653283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652801 + ... + 1653542.

It is an arithmetic number, because the mean of its divisors is an integer number (178542576).

Almost surely, 2^1226653253 is an apocalyptic number.

It is an amenable number.

1226653253 is a deficient number, since it is larger than the sum of its proper divisors (201687355).

1226653253 is an equidigital number, since it uses as much as digits as its factorization.

1226653253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306403.

The product of its digits is 64800, while the sum is 35.

The square root of 1226653253 is about 35023.6099367270. The cubic root of 1226653253 is about 1070.4686138482.

The spelling of 1226653253 in words is "one billion, two hundred twenty-six million, six hundred fifty-three thousand, two hundred fifty-three".