102742182 has 20 divisors (see below), whose sum is σ = 230218956. Its totient is φ = 34247340.

The previous prime is 102742181. The next prime is 102742193. The reversal of 102742182 is 281247201.

It is a super-2 number, since 2×102742182² = 21111911924242248, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102742181) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 316944 + ... + 317267.

Almost surely, 2^102742182 is an apocalyptic number.

102742182 is an abundant number, since it is smaller than the sum of its proper divisors (127476774).

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

102742182 is an equidigital number, since it uses as much as digits as its factorization.

102742182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634225 (or 634216 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 102742182 is about 10136.1818255199. The cubic root of 102742182 is about 468.3633765619.

Adding to 102742182 its reverse (281247201), we get a palindrome (383989383).

The spelling of 102742182 in words is "one hundred two million, seven hundred forty-two thousand, one hundred eighty-two".