1045240103 has 4 divisors (see below), whose sum is σ = 1100252760. Its totient is φ = 990227448.

The previous prime is 1045240057. The next prime is 1045240109. The reversal of 1045240103 is 3010425401.

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 1045240103 - 2²⁴ = 1028462887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045240109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27506300 + ... + 27506337.

It is an arithmetic number, because the mean of its divisors is an integer number (275063190).

Almost surely, 2^1045240103 is an apocalyptic number.

1045240103 is a deficient number, since it is larger than the sum of its proper divisors (55012657).

1045240103 is an equidigital number, since it uses as much as digits as its factorization.

1045240103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55012656.

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

The square root of 1045240103 is about 32330.1732596657. The cubic root of 1045240103 is about 1014.8581755620.

Adding to 1045240103 its reverse (3010425401), we get a palindrome (4055665504).

The spelling of 1045240103 in words is "one billion, forty-five million, two hundred forty thousand, one hundred three".