1053001243 has 8 divisors (see below), whose sum is σ = 1231417088. Its totient is φ = 881582184.

The previous prime is 1053001193. The next prime is 1053001247. The reversal of 1053001243 is 3421003501.

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

It is a de Polignac number, because none of the positive numbers 2^k-1053001243 is a prime.

It is a super-2 number, since 2×1053001243² = 2217623235519090098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053001243.

It is not an unprimeable number, because it can be changed into a prime (1053001247) 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, 1748871 + ... + 1749472.

It is an arithmetic number, because the mean of its divisors is an integer number (153927136).

Almost surely, 2^1053001243 is an apocalyptic number.

1053001243 is a deficient number, since it is larger than the sum of its proper divisors (178415845).

1053001243 is an equidigital number, since it uses as much as digits as its factorization.

1053001243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498393.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1053001243 is about 32449.9806317354. The cubic root of 1053001243 is about 1017.3638332152.

Adding to 1053001243 its reverse (3421003501), we get a palindrome (4474004744).

The spelling of 1053001243 in words is "one billion, fifty-three million, one thousand, two hundred forty-three".