1229573255 has 4 divisors (see below), whose sum is σ = 1475487912. Its totient is φ = 983658600.

The previous prime is 1229573249. The next prime is 1229573281. The reversal of 1229573255 is 5523759221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1229573255 - 2¹⁰ = 1229572231 is a prime.

It is a super-2 number, since 2×1229573255² = 3023700778822590050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122957321 + ... + 122957330.

It is an arithmetic number, because the mean of its divisors is an integer number (368871978).

Almost surely, 2^1229573255 is an apocalyptic number.

1229573255 is a deficient number, since it is larger than the sum of its proper divisors (245914657).

1229573255 is an equidigital number, since it uses as much as digits as its factorization.

1229573255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245914656.

The product of its digits is 189000, while the sum is 41.

The square root of 1229573255 is about 35065.2713521513. The cubic root of 1229573255 is about 1071.3173441912.

The spelling of 1229573255 in words is "one billion, two hundred twenty-nine million, five hundred seventy-three thousand, two hundred fifty-five".