101132243 has 4 divisors (see below), whose sum is σ = 101272080. Its totient is φ = 100992408.

The previous prime is 101132237. The next prime is 101132249. The reversal of 101132243 is 342231101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (101132237) and next prime (101132249).

It is a cyclic number.

It is not a de Polignac number, because 101132243 - 2¹² = 101128147 is a prime.

It is a super-2 number, since 2×101132243² = 20455461148422098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101132249) 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, 68828 + ... + 70281.

It is an arithmetic number, because the mean of its divisors is an integer number (25318020).

Almost surely, 2^101132243 is an apocalyptic number.

101132243 is a deficient number, since it is larger than the sum of its proper divisors (139837).

101132243 is an equidigital number, since it uses as much as digits as its factorization.

101132243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139836.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 101132243 is about 10056.4528040458. The cubic root of 101132243 is about 465.9041152410.

Adding to 101132243 its reverse (342231101), we get a palindrome (443363344).

The spelling of 101132243 in words is "one hundred one million, one hundred thirty-two thousand, two hundred forty-three".