102206452 has 6 divisors (see below), whose sum is σ = 178861298. Its totient is φ = 51103224.

The previous prime is 102206441. The next prime is 102206471. The reversal of 102206452 is 254602201.

It can be written as a sum of positive squares in only one way, i.e., 81649296 + 20557156 = 9036^2 + 4534^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12775803 + ... + 12775810.

Almost surely, 2^102206452 is an apocalyptic number.

It is an amenable number.

102206452 is a deficient number, since it is larger than the sum of its proper divisors (76654846).

102206452 is a wasteful number, since it uses less digits than its factorization.

102206452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25551617 (or 25551615 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 102206452 is about 10109.7206687425. The cubic root of 102206452 is about 467.5478929458.

Adding to 102206452 its reverse (254602201), we get a palindrome (356808653).

The spelling of 102206452 in words is "one hundred two million, two hundred six thousand, four hundred fifty-two".