101452891 has 4 divisors (see below), whose sum is σ = 101479312. Its totient is φ = 101426472.

The previous prime is 101452877. The next prime is 101452921. The reversal of 101452891 is 198254101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198254101 = 59 ⋅3360239.

It is a 3-Lehmer number, since φ(101452891) divides (101452891-1)³.

It is a cyclic number.

It is not a de Polignac number, because 101452891 - 2⁷ = 101452763 is a prime.

It is a pancake number, because a pancake can be divided into 101452891 parts by 14244 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101452291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6216 + ... + 15541.

It is an arithmetic number, because the mean of its divisors is an integer number (25369828).

Almost surely, 2^101452891 is an apocalyptic number.

101452891 is a deficient number, since it is larger than the sum of its proper divisors (26421).

101452891 is an equidigital number, since it uses as much as digits as its factorization.

101452891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26420.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 101452891 is about 10072.3825880474. The cubic root of 101452891 is about 466.3959913897.

The spelling of 101452891 in words is "one hundred one million, four hundred fifty-two thousand, eight hundred ninety-one".