102098745 has 32 divisors (see below), whose sum is σ = 207440640. Its totient is φ = 46673280.

The previous prime is 102098743. The next prime is 102098803. The reversal of 102098745 is 547890201.

It is not a de Polignac number, because 102098745 - 2¹ = 102098743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102098743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53076 + ... + 54965.

It is an arithmetic number, because the mean of its divisors is an integer number (6482520).

Almost surely, 2^102098745 is an apocalyptic number.

102098745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102098745 is an abundant number, since it is smaller than the sum of its proper divisors (105341895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102098745 is a wasteful number, since it uses less digits than its factorization.

102098745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108062 (or 108056 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 102098745 is about 10104.3923617405. The cubic root of 102098745 is about 467.3835984232.

The spelling of 102098745 in words is "one hundred two million, ninety-eight thousand, seven hundred forty-five".