102432073 has 2 divisors, whose sum is σ = 102432074. Its totient is φ = 102432072.

The previous prime is 102432049. The next prime is 102432139. The reversal of 102432073 is 370234201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68757264 + 33674809 = 8292^2 + 5803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102432073 is a prime.

It is not a weakly prime, because it can be changed into another prime (102432373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51216036 + 51216037.

It is an arithmetic number, because the mean of its divisors is an integer number (51216037).

Almost surely, 2^102432073 is an apocalyptic number.

It is an amenable number.

102432073 is a deficient number, since it is larger than the sum of its proper divisors (1).

102432073 is an equidigital number, since it uses as much as digits as its factorization.

102432073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 102432073 is about 10120.8731342706. The cubic root of 102432073 is about 467.8916778179.

Adding to 102432073 its reverse (370234201), we get a palindrome (472666274).

The spelling of 102432073 in words is "one hundred two million, four hundred thirty-two thousand, seventy-three".