103030140 has 24 divisors (see below), whose sum is σ = 288484560. Its totient is φ = 27474688.

The previous prime is 103030129. The next prime is 103030153. The reversal of 103030140 is 41030301.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

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, 858525 + ... + 858644.

It is an arithmetic number, because the mean of its divisors is an integer number (12020190).

Almost surely, 2^103030140 is an apocalyptic number.

103030140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103030140 is an abundant number, since it is smaller than the sum of its proper divisors (185454420).

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

103030140 is a wasteful number, since it uses less digits than its factorization.

103030140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717181 (or 1717179 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 103030140 is about 10150.3763477026. The cubic root of 103030140 is about 468.8005328633.

Adding to 103030140 its reverse (41030301), we get a palindrome (144060441).

The spelling of 103030140 in words is "one hundred three million, thirty thousand, one hundred forty".