102551075 has 36 divisors (see below), whose sum is σ = 146550888. Its totient is φ = 70588800.

The previous prime is 102551063. The next prime is 102551077. The reversal of 102551075 is 570155201.

It is a happy number.

It is not a de Polignac number, because 102551075 - 2¹² = 102546979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102551077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98759 + ... + 99791.

It is an arithmetic number, because the mean of its divisors is an integer number (4070858).

Almost surely, 2^102551075 is an apocalyptic number.

102551075 is a deficient number, since it is larger than the sum of its proper divisors (43999813).

102551075 is a wasteful number, since it uses less digits than its factorization.

102551075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 102551075 is about 10126.7504659688. The cubic root of 102551075 is about 468.0728010909.

The spelling of 102551075 in words is "one hundred two million, five hundred fifty-one thousand, seventy-five".