1957103 has 4 divisors (see below), whose sum is σ = 1976208. Its totient is φ = 1938000.

The previous prime is 1957099. The next prime is 1957117. The reversal of 1957103 is 3017591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3017591 = 103 ⋅29297.

It is a cyclic number.

It is not a de Polignac number, because 1957103 - 2² = 1957099 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 (1957303) 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, 9398 + ... + 9603.

It is an arithmetic number, because the mean of its divisors is an integer number (494052).

2^1957103 is an apocalyptic number.

1957103 is a deficient number, since it is larger than the sum of its proper divisors (19105).

1957103 is a wasteful number, since it uses less digits than its factorization.

1957103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19104.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1957103 is about 1398.9649745437. The cubic root of 1957103 is about 125.0848064499.

The spelling of 1957103 in words is "one million, nine hundred fifty-seven thousand, one hundred three".