1962143 has 4 divisors (see below), whose sum is σ = 1972608. Its totient is φ = 1951680.

The previous prime is 1962139. The next prime is 1962161. The reversal of 1962143 is 3412691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412691 = 29 ⋅117679.

It is a cyclic number.

It is not a de Polignac number, because 1962143 - 2² = 1962139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1962193) 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, 4946 + ... + 5327.

It is an arithmetic number, because the mean of its divisors is an integer number (493152).

2^1962143 is an apocalyptic number.

1962143 is a deficient number, since it is larger than the sum of its proper divisors (10465).

1962143 is a wasteful number, since it uses less digits than its factorization.

1962143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464.

The product of its digits is 1296, while the sum is 26.

The square root of 1962143 is about 1400.7651480530. The cubic root of 1962143 is about 125.1920886644.

The spelling of 1962143 in words is "one million, nine hundred sixty-two thousand, one hundred forty-three".