1017203139 has 6 divisors (see below), whose sum is σ = 1469293436. Its totient is φ = 678135420.

The previous prime is 1017203137. The next prime is 1017203197. The reversal of 1017203139 is 9313027101.

It is not a de Polignac number, because 1017203139 - 2¹ = 1017203137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1017203137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56511277 + ... + 56511294.

Almost surely, 2^1017203139 is an apocalyptic number.

1017203139 is a deficient number, since it is larger than the sum of its proper divisors (452090297).

1017203139 is a wasteful number, since it uses less digits than its factorization.

1017203139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113022577 (or 113022574 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1017203139 is about 31893.6222307846. The cubic root of 1017203139 is about 1005.7018072708.

The spelling of 1017203139 in words is "one billion, seventeen million, two hundred three thousand, one hundred thirty-nine".