102743928 has 48 divisors (see below), whose sum is σ = 318018480. Its totient is φ = 29355264.

The previous prime is 102743917. The next prime is 102743929. The reversal of 102743928 is 829347201.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 102743892 and 102743901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102743929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101425 + ... + 102432.

It is an arithmetic number, because the mean of its divisors is an integer number (6625385).

Almost surely, 2^102743928 is an apocalyptic number.

102743928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

102743928 is an abundant number, since it is smaller than the sum of its proper divisors (215274552).

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

102743928 is a wasteful number, since it uses less digits than its factorization.

102743928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203876 (or 203869 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 102743928 is about 10136.2679522594. The cubic root of 102743928 is about 468.3660296684.

The spelling of 102743928 in words is "one hundred two million, seven hundred forty-three thousand, nine hundred twenty-eight".