1040102403 has 8 divisors (see below), whose sum is σ = 1397390016. Its totient is φ = 688108200.

The previous prime is 1040102353. The next prime is 1040102407. The reversal of 1040102403 is 3042010401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040102403 - 2¹⁸ = 1039840259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040102407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322893 + ... + 1323678.

It is an arithmetic number, because the mean of its divisors is an integer number (174673752).

Almost surely, 2^1040102403 is an apocalyptic number.

1040102403 is a deficient number, since it is larger than the sum of its proper divisors (357287613).

1040102403 is a wasteful number, since it uses less digits than its factorization.

1040102403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646705.

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

The square root of 1040102403 is about 32250.6186452291. The cubic root of 1040102403 is about 1013.1926561142.

Adding to 1040102403 its reverse (3042010401), we get a palindrome (4082112804).

The spelling of 1040102403 in words is "one billion, forty million, one hundred two thousand, four hundred three".