2142703 has 8 divisors (see below), whose sum is σ = 2275200. Its totient is φ = 2013528.

The previous prime is 2142691. The next prime is 2142713. The reversal of 2142703 is 3072412.

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

It is a cyclic number.

It is not a de Polignac number, because 2142703 - 2¹⁷ = 2011631 is a prime.

It is a super-2 number, since 2×2142703² = 9182352292418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142713) 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, 568 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (284400).

2^2142703 is an apocalyptic number.

2142703 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2142703 is a deficient number, since it is larger than the sum of its proper divisors (132497).

2142703 is a wasteful number, since it uses less digits than its factorization.

2142703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2142703 is about 1463.7974586670. The cubic root of 2142703 is about 128.9201075730.

It can be divided in two parts, 21 and 42703, that added together give a palindrome (42724).

The spelling of 2142703 in words is "two million, one hundred forty-two thousand, seven hundred three".