1010042403 has 32 divisors (see below), whose sum is σ = 1475776512. Its totient is φ = 611712000.

The previous prime is 1010042389. The next prime is 1010042431. The reversal of 1010042403 is 3042400101.

It is not a de Polignac number, because 1010042403 - 2¹⁰ = 1010041379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1010042003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 949650 + ... + 950712.

It is an arithmetic number, because the mean of its divisors is an integer number (46118016).

Almost surely, 2^1010042403 is an apocalyptic number.

1010042403 is a deficient number, since it is larger than the sum of its proper divisors (465734109).

1010042403 is a wasteful number, since it uses less digits than its factorization.

1010042403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1010042403 is about 31781.1642801204. The cubic root of 1010042403 is about 1003.3363242284.

Adding to 1010042403 its reverse (3042400101), we get a palindrome (4052442504).

The spelling of 1010042403 in words is "one billion, ten million, forty-two thousand, four hundred three".