1040400202103 has 2 divisors, whose sum is σ = 1040400202104. Its totient is φ = 1040400202102.

The previous prime is 1040400202067. The next prime is 1040400202141. The reversal of 1040400202103 is 3012020040401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040400202103 - 2¹⁴ = 1040400185719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040400202183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520200101051 + 520200101052.

It is an arithmetic number, because the mean of its divisors is an integer number (520200101052).

Almost surely, 2^{1040400202103} is an apocalyptic number.

1040400202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040400202103 is an equidigital number, since it uses as much as digits as its factorization.

1040400202103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1040400202103 its reverse (3012020040401), we get a palindrome (4052420242504).

The spelling of 1040400202103 in words is "one trillion, forty billion, four hundred million, two hundred two thousand, one hundred three".