1500103 has 4 divisors (see below), whose sum is σ = 1636488. Its totient is φ = 1363720.

The previous prime is 1500101. The next prime is 1500113. The reversal of 1500103 is 3010051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3010051 = 11 ⋅273641.

It is a cyclic number.

It is not a de Polignac number, because 1500103 - 2¹ = 1500101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1500103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500101) 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 3 ways as a sum of consecutive naturals, for example, 68176 + ... + 68197.

It is an arithmetic number, because the mean of its divisors is an integer number (409122).

2^1500103 is an apocalyptic number.

1500103 is a deficient number, since it is larger than the sum of its proper divisors (136385).

1500103 is a wasteful number, since it uses less digits than its factorization.

1500103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136384.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 1500103 is about 1224.7869202437. The cubic root of 1500103 is about 114.4740443191.

Adding to 1500103 its reverse (3010051), we get a palindrome (4510154).

The spelling of 1500103 in words is "one million, five hundred thousand, one hundred three".