1061040103 has 4 divisors (see below), whose sum is σ = 1064984760. Its totient is φ = 1057095448.

The previous prime is 1061040089. The next prime is 1061040109. The reversal of 1061040103 is 3010401601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3010401601 = 877 ⋅3432613.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061040103 is a prime.

It is a super-2 number, since 2×1061040103² = 2251612200348501218, 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 (1061040109) 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, 1971925 + ... + 1972462.

It is an arithmetic number, because the mean of its divisors is an integer number (266246190).

Almost surely, 2^1061040103 is an apocalyptic number.

1061040103 is a deficient number, since it is larger than the sum of its proper divisors (3944657).

1061040103 is an equidigital number, since it uses as much as digits as its factorization.

1061040103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944656.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1061040103 is about 32573.6105306120. The cubic root of 1061040103 is about 1019.9462047112.

Adding to 1061040103 its reverse (3010401601), we get a palindrome (4071441704).

The spelling of 1061040103 in words is "one billion, sixty-one million, forty thousand, one hundred three".