1243045226 has 8 divisors (see below), whose sum is σ = 1865691360. Its totient is φ = 621148108.

The previous prime is 1243045211. The next prime is 1243045231. The reversal of 1243045226 is 6225403421.

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

It is a super-2 number, since 2×1243045226² = 3090322867762782152, which contains 22 as substring.

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, 183086 + ... + 189753.

It is an arithmetic number, because the mean of its divisors is an integer number (233211420).

Almost surely, 2^1243045226 is an apocalyptic number.

1243045226 is a deficient number, since it is larger than the sum of its proper divisors (622646134).

1243045226 is a wasteful number, since it uses less digits than its factorization.

1243045226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374508.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1243045226 is about 35256.8465124151. The cubic root of 1243045226 is about 1075.2158141794.

Adding to 1243045226 its reverse (6225403421), we get a palindrome (7468448647).

The spelling of 1243045226 in words is "one billion, two hundred forty-three million, forty-five thousand, two hundred twenty-six".