103121748 has 60 divisors (see below), whose sum is σ = 278303872. Its totient is φ = 33261840.

The previous prime is 103121747. The next prime is 103121801. The reversal of 103121748 is 847121301.

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 (103121743) 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 19 ways as a sum of consecutive naturals, for example, 4911 + ... + 15177.

Almost surely, 2^103121748 is an apocalyptic number.

103121748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103121748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139151936).

103121748 is an abundant number, since it is smaller than the sum of its proper divisors (175182124).

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

103121748 is a wasteful number, since it uses less digits than its factorization.

103121748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10314 (or 10303 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 103121748 is about 10154.8878871212. The cubic root of 103121748 is about 468.9394344741.

The spelling of 103121748 in words is "one hundred three million, one hundred twenty-one thousand, seven hundred forty-eight".