1054120103 has 4 divisors (see below), whose sum is σ = 1078634568. Its totient is φ = 1029605640.

The previous prime is 1054120099. The next prime is 1054120117. The reversal of 1054120103 is 3010214501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1054120103 - 2² = 1054120099 is a prime.

It is a super-2 number, since 2×1054120103² = 2222338383097461218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054120163) 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 3 ways as a sum of consecutive naturals, for example, 12257168 + ... + 12257253.

It is an arithmetic number, because the mean of its divisors is an integer number (269658642).

Almost surely, 2^1054120103 is an apocalyptic number.

1054120103 is a deficient number, since it is larger than the sum of its proper divisors (24514465).

1054120103 is an equidigital number, since it uses as much as digits as its factorization.

1054120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24514464.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1054120103 is about 32467.2158184221. The cubic root of 1054120103 is about 1017.7240368976.

Adding to 1054120103 its reverse (3010214501), we get a palindrome (4064334604).

The spelling of 1054120103 in words is "one billion, fifty-four million, one hundred twenty thousand, one hundred three".