102078058 has 4 divisors (see below), whose sum is σ = 153117090. Its totient is φ = 51039028.

The previous prime is 102078029. The next prime is 102078059. The reversal of 102078058 is 850870201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 850870201 = 593 ⋅1434857.

It can be written as a sum of positive squares in only one way, i.e., 62047129 + 40030929 = 7877^2 + 6327^2 .

It is a super-3 number, since 3×102078058³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (102078059) 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 as a sum of consecutive naturals, namely, 25519513 + ... + 25519516.

Almost surely, 2^102078058 is an apocalyptic number.

102078058 is a deficient number, since it is larger than the sum of its proper divisors (51039032).

102078058 is an equidigital number, since it uses as much as digits as its factorization.

102078058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51039031.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 102078058 is about 10103.3686461497. The cubic root of 102078058 is about 467.3520295807.

The spelling of 102078058 in words is "one hundred two million, seventy-eight thousand, fifty-eight".