1958103 has 12 divisors (see below), whose sum is σ = 3232528. Its totient is φ = 1118880.

The previous prime is 1958069. The next prime is 1958107. The reversal of 1958103 is 3018591.

It is not a de Polignac number, because 1958103 - 2⁸ = 1957847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1958107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15478 + ... + 15603.

2^1958103 is an apocalyptic number.

1958103 is a deficient number, since it is larger than the sum of its proper divisors (1274425).

1958103 is a wasteful number, since it uses less digits than its factorization.

1958103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31094 (or 31091 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1958103 is about 1399.3223359898. The cubic root of 1958103 is about 125.1061072379.

The spelling of 1958103 in words is "one million, nine hundred fifty-eight thousand, one hundred three".