1042105403 has 2 divisors, whose sum is σ = 1042105404. Its totient is φ = 1042105402.

The previous prime is 1042105373. The next prime is 1042105409. The reversal of 1042105403 is 3045012401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042105403 - 2¹⁰ = 1042104379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042105409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521052701 + 521052702.

It is an arithmetic number, because the mean of its divisors is an integer number (521052702).

Almost surely, 2^1042105403 is an apocalyptic number.

1042105403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042105403 is an equidigital number, since it uses as much as digits as its factorization.

1042105403 is an evil number, because the sum of its binary digits is even.

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

The square root of 1042105403 is about 32281.6573769068. The cubic root of 1042105403 is about 1013.8426317127.

Adding to 1042105403 its reverse (3045012401), we get a palindrome (4087117804).

The spelling of 1042105403 in words is "one billion, forty-two million, one hundred five thousand, four hundred three".