1045420103 has 16 divisors (see below), whose sum is σ = 1287691776. Its totient is φ = 826489440.

The previous prime is 1045420093. The next prime is 1045420121. The reversal of 1045420103 is 3010245401.

It is not a de Polignac number, because 1045420103 - 2⁴ = 1045420087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045420133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133700 + ... + 141302.

It is an arithmetic number, because the mean of its divisors is an integer number (80480736).

Almost surely, 2^1045420103 is an apocalyptic number.

1045420103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1045420103 is a deficient number, since it is larger than the sum of its proper divisors (242271673).

1045420103 is a wasteful number, since it uses less digits than its factorization.

1045420103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1045420103 is about 32332.9569170529. The cubic root of 1045420103 is about 1014.9164282021.

Adding to 1045420103 its reverse (3010245401), we get a palindrome (4055665504).

The spelling of 1045420103 in words is "one billion, forty-five million, four hundred twenty thousand, one hundred three".