102952149 has 4 divisors (see below), whose sum is σ = 137269536. Its totient is φ = 68634764.

The previous prime is 102952123. The next prime is 102952159. The reversal of 102952149 is 941259201.

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: 941259201 = 3 ⋅313753067.

It is a cyclic number.

It is not a de Polignac number, because 102952149 - 2⁷ = 102952021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102952159) 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, 17158689 + ... + 17158694.

It is an arithmetic number, because the mean of its divisors is an integer number (34317384).

Almost surely, 2^102952149 is an apocalyptic number.

It is an amenable number.

102952149 is a deficient number, since it is larger than the sum of its proper divisors (34317387).

102952149 is an equidigital number, since it uses as much as digits as its factorization.

102952149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34317386.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 102952149 is about 10146.5338416624. The cubic root of 102952149 is about 468.6822132733.

The spelling of 102952149 in words is "one hundred two million, nine hundred fifty-two thousand, one hundred forty-nine".