102254243 has 16 divisors (see below), whose sum is σ = 126119616. Its totient is φ = 80732160.

The previous prime is 102254237. The next prime is 102254263. The reversal of 102254243 is 342452201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102254243 - 2¹⁰ = 102253219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102254263) 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 15 ways as a sum of consecutive naturals, for example, 57455 + ... + 59207.

It is an arithmetic number, because the mean of its divisors is an integer number (7882476).

Almost surely, 2^102254243 is an apocalyptic number.

102254243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102254243 is a deficient number, since it is larger than the sum of its proper divisors (23865373).

102254243 is a wasteful number, since it uses less digits than its factorization.

102254243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 102254243 is about 10112.0840087491. The cubic root of 102254243 is about 467.6207555982.

The spelling of 102254243 in words is "one hundred two million, two hundred fifty-four thousand, two hundred forty-three".