102032906 has 4 divisors (see below), whose sum is σ = 153049362. Its totient is φ = 51016452.

The previous prime is 102032881. The next prime is 102032923. The reversal of 102032906 is 609230201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75603025 + 26429881 = 8695^2 + 5141^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25508225 + ... + 25508228.

Almost surely, 2^102032906 is an apocalyptic number.

102032906 is a deficient number, since it is larger than the sum of its proper divisors (51016456).

102032906 is an equidigital number, since it uses as much as digits as its factorization.

102032906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51016455.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 102032906 is about 10101.1338967464. The cubic root of 102032906 is about 467.2831117632.

The spelling of 102032906 in words is "one hundred two million, thirty-two thousand, nine hundred six".