1065201403 has 4 divisors (see below), whose sum is σ = 1217373040. Its totient is φ = 913029768.

The previous prime is 1065201377. The next prime is 1065201421. The reversal of 1065201403 is 3041025601.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1065201403 is a prime.

It is a super-2 number, since 2×1065201403² = 2269308057906336818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065202403) 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, 76085808 + ... + 76085821.

It is an arithmetic number, because the mean of its divisors is an integer number (304343260).

Almost surely, 2^1065201403 is an apocalyptic number.

1065201403 is a deficient number, since it is larger than the sum of its proper divisors (152171637).

1065201403 is an equidigital number, since it uses as much as digits as its factorization.

1065201403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152171636.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1065201403 is about 32637.4233511164. The cubic root of 1065201403 is about 1021.2778432303.

The spelling of 1065201403 in words is "one billion, sixty-five million, two hundred one thousand, four hundred three".