102019480 has 32 divisors (see below), whose sum is σ = 235146240. Its totient is φ = 39811840.

The previous prime is 102019453. The next prime is 102019483. The reversal of 102019480 is 84910201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102019483) 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 7 ways as a sum of consecutive naturals, for example, 29464 + ... + 32743.

It is an arithmetic number, because the mean of its divisors is an integer number (7348320).

Almost surely, 2^102019480 is an apocalyptic number.

102019480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102019480 is an abundant number, since it is smaller than the sum of its proper divisors (133126760).

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

102019480 is a wasteful number, since it uses less digits than its factorization.

102019480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62259 (or 62255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 102019480 is about 10100.4692960278. The cubic root of 102019480 is about 467.2626150480.

Adding to 102019480 its reverse (84910201), we get a palindrome (186929681).

The spelling of 102019480 in words is "one hundred two million, nineteen thousand, four hundred eighty".