1053042243 has 8 divisors (see below), whose sum is σ = 1531697856. Its totient is φ = 638207400.

The previous prime is 1053042241. The next prime is 1053042247. The reversal of 1053042243 is 3422403501.

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

It is not a de Polignac number, because 1053042243 - 2¹ = 1053042241 is a prime.

It is a super-2 number, since 2×1053042243² = 2217795931084942098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053042241) 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, 15955153 + ... + 15955218.

It is an arithmetic number, because the mean of its divisors is an integer number (191462232).

Almost surely, 2^1053042243 is an apocalyptic number.

1053042243 is a deficient number, since it is larger than the sum of its proper divisors (478655613).

1053042243 is a wasteful number, since it uses less digits than its factorization.

1053042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31910385.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1053042243 is about 32450.6123671033. The cubic root of 1053042243 is about 1017.3770371805.

Adding to 1053042243 its reverse (3422403501), we get a palindrome (4475445744).

The spelling of 1053042243 in words is "one billion, fifty-three million, forty-two thousand, two hundred forty-three".