1051212243 has 8 divisors (see below), whose sum is σ = 1435802256. Its totient is φ = 683715200.

The previous prime is 1051212233. The next prime is 1051212247. The reversal of 1051212243 is 3422121501.

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 1051212243 - 2⁶ = 1051212179 is a prime.

It is a super-2 number, since 2×1051212243² = 2210094359666182098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051212247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4273098 + ... + 4273343.

It is an arithmetic number, because the mean of its divisors is an integer number (179475282).

Almost surely, 2^1051212243 is an apocalyptic number.

1051212243 is a deficient number, since it is larger than the sum of its proper divisors (384590013).

1051212243 is an equidigital number, since it uses as much as digits as its factorization.

1051212243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546485.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1051212243 is about 32422.4034118385. The cubic root of 1051212243 is about 1016.7873553879.

Adding to 1051212243 its reverse (3422121501), we get a palindrome (4473333744).

The spelling of 1051212243 in words is "one billion, fifty-one million, two hundred twelve thousand, two hundred forty-three".