102073980 has 24 divisors (see below), whose sum is σ = 285807312. Its totient is φ = 27219712.

The previous prime is 102073949. The next prime is 102073987. The reversal of 102073980 is 89370201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102073987) 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, 850557 + ... + 850676.

It is an arithmetic number, because the mean of its divisors is an integer number (11908638).

Almost surely, 2^102073980 is an apocalyptic number.

102073980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102073980 is an abundant number, since it is smaller than the sum of its proper divisors (183733332).

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

102073980 is a wasteful number, since it uses less digits than its factorization.

102073980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701245 (or 1701243 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 102073980 is about 10103.1668302567. The cubic root of 102073980 is about 467.3458059548.

The spelling of 102073980 in words is "one hundred two million, seventy-three thousand, nine hundred eighty".