102591098 has 8 divisors (see below), whose sum is σ = 153953460. Its totient is φ = 51273280.

The previous prime is 102591091. The next prime is 102591103. The reversal of 102591098 is 890195201.

It can be written as a sum of positive squares in 2 ways, for example, as 102556129 + 34969 = 10127^2 + 187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102591091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4613 + ... + 15048.

Almost surely, 2^102591098 is an apocalyptic number.

102591098 is a deficient number, since it is larger than the sum of its proper divisors (51362362).

102591098 is a wasteful number, since it uses less digits than its factorization.

102591098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22272.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 102591098 is about 10128.7263760060. The cubic root of 102591098 is about 468.1336853581.

The spelling of 102591098 in words is "one hundred two million, five hundred ninety-one thousand, ninety-eight".