102047192 has 32 divisors (see below), whose sum is σ = 218181600. Its totient is φ = 44327424.

The previous prime is 102047191. The next prime is 102047219. The reversal of 102047192 is 291740201.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102047191) 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 in 7 ways as a sum of consecutive naturals, for example, 27092 + ... + 30627.

It is an arithmetic number, because the mean of its divisors is an integer number (6818175).

Almost surely, 2^102047192 is an apocalyptic number.

It is an amenable number.

102047192 is an abundant number, since it is smaller than the sum of its proper divisors (116134408).

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

102047192 is a wasteful number, since it uses less digits than its factorization.

102047192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57755 (or 57751 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 102047192 is about 10101.8410203289. The cubic root of 102047192 is about 467.3049194174.

Adding to 102047192 its reverse (291740201), we get a palindrome (393787393).

The spelling of 102047192 in words is "one hundred two million, forty-seven thousand, one hundred ninety-two".