1051140243 has 8 divisors (see below), whose sum is σ = 1483962768. Its totient is φ = 659538944.

The previous prime is 1051140241. The next prime is 1051140269. The reversal of 1051140243 is 3420411501.

1051140243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1051140243 - 2¹ = 1051140241 is a prime.

It is a super-2 number, since 2×1051140243² = 2209791620908198098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051140241) 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, 10305246 + ... + 10305347.

It is an arithmetic number, because the mean of its divisors is an integer number (185495346).

Almost surely, 2^1051140243 is an apocalyptic number.

1051140243 is a deficient number, since it is larger than the sum of its proper divisors (432822525).

1051140243 is a wasteful number, since it uses less digits than its factorization.

1051140243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20610613.

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

The square root of 1051140243 is about 32421.2930494760. The cubic root of 1051140243 is about 1016.7641408050.

Adding to 1051140243 its reverse (3420411501), we get a palindrome (4471551744).

The spelling of 1051140243 in words is "one billion, fifty-one million, one hundred forty thousand, two hundred forty-three".