1901066103 has 12 divisors (see below), whose sum is σ = 2834564928. Its totient is φ = 1226494080.

The previous prime is 1901066059. The next prime is 1901066119. The reversal of 1901066103 is 3016601091.

It is not a de Polignac number, because 1901066103 - 2⁶ = 1901066039 is a prime.

It is a super-2 number, since 2×1901066103² = 7228104655951213218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901066143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3406650 + ... + 3407207.

It is an arithmetic number, because the mean of its divisors is an integer number (236213744).

Almost surely, 2^1901066103 is an apocalyptic number.

1901066103 is a deficient number, since it is larger than the sum of its proper divisors (933498825).

1901066103 is a wasteful number, since it uses less digits than its factorization.

1901066103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813894 (or 6813891 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1901066103 is about 43601.2167605447. The cubic root of 1901066103 is about 1238.7939415817.

Adding to 1901066103 its reverse (3016601091), we get a palindrome (4917667194).

The spelling of 1901066103 in words is "one billion, nine hundred one million, sixty-six thousand, one hundred three".