102201499 has 2 divisors, whose sum is σ = 102201500. Its totient is φ = 102201498.

The previous prime is 102201493. The next prime is 102201521. The reversal of 102201499 is 994102201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (994102201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102201499 - 2¹⁷ = 102070427 is a prime.

It is not a weakly prime, because it can be changed into another prime (102201493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100749 + 51100750.

It is an arithmetic number, because the mean of its divisors is an integer number (51100750).

Almost surely, 2^102201499 is an apocalyptic number.

102201499 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201499 is an equidigital number, since it uses as much as digits as its factorization.

102201499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 102201499 is about 10109.4757035170. The cubic root of 102201499 is about 467.5403402520.

It can be divided in two parts, 102 and 201499, that added together give a square (201601 = 449²).

The spelling of 102201499 in words is "one hundred two million, two hundred one thousand, four hundred ninety-nine".