102812058 has 32 divisors (see below), whose sum is σ = 235845120. Its totient is φ = 33164640.

The previous prime is 102812057. The next prime is 102812113. The reversal of 102812058 is 850218201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102812057) 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 15 ways as a sum of consecutive naturals, for example, 29035 + ... + 32382.

It is an arithmetic number, because the mean of its divisors is an integer number (7370160).

Almost surely, 2^102812058 is an apocalyptic number.

102812058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102812058 is an abundant number, since it is smaller than the sum of its proper divisors (133033062).

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

102812058 is a wasteful number, since it uses less digits than its factorization.

102812058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61459 (or 61453 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 102812058 is about 10139.6280996889. The cubic root of 102812058 is about 468.4695320606.

The spelling of 102812058 in words is "one hundred two million, eight hundred twelve thousand, fifty-eight".