101245843 has 4 divisors (see below), whose sum is σ = 101406928. Its totient is φ = 101084760.

The previous prime is 101245841. The next prime is 101245883. The reversal of 101245843 is 348542101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348542101 = 881 ⋅395621.

It is a cyclic number.

It is not a de Polignac number, because 101245843 - 2¹ = 101245841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101245841) 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, 79596 + ... + 80857.

It is an arithmetic number, because the mean of its divisors is an integer number (25351732).

Almost surely, 2^101245843 is an apocalyptic number.

101245843 is a deficient number, since it is larger than the sum of its proper divisors (161085).

101245843 is an equidigital number, since it uses as much as digits as its factorization.

101245843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161084.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 101245843 is about 10062.0993336381. The cubic root of 101245843 is about 466.0784971561.

Adding to 101245843 its reverse (348542101), we get a palindrome (449787944).

The spelling of 101245843 in words is "one hundred one million, two hundred forty-five thousand, eight hundred forty-three".