101243053 has 4 divisors (see below), whose sum is σ = 101269728. Its totient is φ = 101216380.

The previous prime is 101243047. The next prime is 101243057. The reversal of 101243053 is 350342101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101243053 is a prime.

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 101243053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101243057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6463 + ... + 15628.

It is an arithmetic number, because the mean of its divisors is an integer number (25317432).

Almost surely, 2^101243053 is an apocalyptic number.

It is an amenable number.

101243053 is a deficient number, since it is larger than the sum of its proper divisors (26675).

101243053 is an equidigital number, since it uses as much as digits as its factorization.

101243053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26674.

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

The square root of 101243053 is about 10061.9606936223. The cubic root of 101243053 is about 466.0742159237.

Adding to 101243053 its reverse (350342101), we get a palindrome (451585154).

The spelling of 101243053 in words is "one hundred one million, two hundred forty-three thousand, fifty-three".