101248149 has 4 divisors (see below), whose sum is σ = 134997536. Its totient is φ = 67498764.

The previous prime is 101248127. The next prime is 101248163. The reversal of 101248149 is 941842101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 941842101 = 3 ⋅313947367.

It is not a de Polignac number, because 101248149 - 2⁵ = 101248117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101248109) 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, 16874689 + ... + 16874694.

It is an arithmetic number, because the mean of its divisors is an integer number (33749384).

Almost surely, 2^101248149 is an apocalyptic number.

It is an amenable number.

101248149 is a deficient number, since it is larger than the sum of its proper divisors (33749387).

101248149 is an equidigital number, since it uses as much as digits as its factorization.

101248149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33749386.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 101248149 is about 10062.2139213992. The cubic root of 101248149 is about 466.0820356351.

The spelling of 101248149 in words is "one hundred one million, two hundred forty-eight thousand, one hundred forty-nine".