102151241 has 2 divisors, whose sum is σ = 102151242. Its totient is φ = 102151240.

The previous prime is 102151223. The next prime is 102151267. The reversal of 102151241 is 142151201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91776400 + 10374841 = 9580^2 + 3221^2 .

It is a cyclic number.

It is not a de Polignac number, because 102151241 - 2¹⁸ = 101889097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102157241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51075620 + 51075621.

It is an arithmetic number, because the mean of its divisors is an integer number (51075621).

Almost surely, 2^102151241 is an apocalyptic number.

It is an amenable number.

102151241 is a deficient number, since it is larger than the sum of its proper divisors (1).

102151241 is an equidigital number, since it uses as much as digits as its factorization.

102151241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 102151241 is about 10106.9897100967. The cubic root of 102151241 is about 467.4636894025.

The spelling of 102151241 in words is "one hundred two million, one hundred fifty-one thousand, two hundred forty-one".