102958789 has 4 divisors (see below), whose sum is σ = 104646700. Its totient is φ = 101270880.

The previous prime is 102958771. The next prime is 102958847. The reversal of 102958789 is 987859201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 987859201 = 7 ⋅141122743.

It can be written as a sum of positive squares in 2 ways, for example, as 10510564 + 92448225 = 3242^2 + 9615^2 .

It is a cyclic number.

It is not a de Polignac number, because 102958789 - 2¹⁷ = 102827717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102958759) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 843864 + ... + 843985.

It is an arithmetic number, because the mean of its divisors is an integer number (26161675).

Almost surely, 2^102958789 is an apocalyptic number.

It is an amenable number.

102958789 is a deficient number, since it is larger than the sum of its proper divisors (1687911).

102958789 is an equidigital number, since it uses as much as digits as its factorization.

102958789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687910.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 102958789 is about 10146.8610417212. The cubic root of 102958789 is about 468.6922890966.

The spelling of 102958789 in words is "one hundred two million, nine hundred fifty-eight thousand, seven hundred eighty-nine".