1051303243 has 16 divisors (see below), whose sum is σ = 1077580224. Its totient is φ = 1025481600.

The previous prime is 1051303229. The next prime is 1051303247. The reversal of 1051303243 is 3423031501.

It is a cyclic number.

It is not a de Polignac number, because 1051303243 - 2²¹ = 1049206091 is a prime.

It is a super-2 number, since 2×1051303243² = 2210477017484634098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051303247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2647921 + ... + 2648317.

It is an arithmetic number, because the mean of its divisors is an integer number (67348764).

Almost surely, 2^1051303243 is an apocalyptic number.

1051303243 is a deficient number, since it is larger than the sum of its proper divisors (26276981).

1051303243 is a wasteful number, since it uses less digits than its factorization.

1051303243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1051303243 is about 32423.8067320912. The cubic root of 1051303243 is about 1016.8166945247.

Adding to 1051303243 its reverse (3423031501), we get a palindrome (4474334744).

The spelling of 1051303243 in words is "one billion, fifty-one million, three hundred three thousand, two hundred forty-three".