1010120103 has 6 divisors (see below), whose sum is σ = 1459062384. Its totient is φ = 673413396.

The previous prime is 1010120101. The next prime is 1010120131. The reversal of 1010120103 is 3010210101.

It is not a de Polignac number, because 1010120103 - 2¹ = 1010120101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 112235567 = 1010120103 / (1 + 0 + 1 + 0 + 1 + 2 + 0 + 1 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56117775 + ... + 56117792.

It is an arithmetic number, because the mean of its divisors is an integer number (243177064).

Almost surely, 2^1010120103 is an apocalyptic number.

1010120103 is a deficient number, since it is larger than the sum of its proper divisors (448942281).

1010120103 is a wasteful number, since it uses less digits than its factorization.

1010120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112235573 (or 112235570 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1010120103 is about 31782.3866787880. The cubic root of 1010120103 is about 1003.3620516081.

Adding to 1010120103 its reverse (3010210101), we get a palindrome (4020330204).

The spelling of 1010120103 in words is "one billion, ten million, one hundred twenty thousand, one hundred three".