1202140343 has 4 divisors (see below), whose sum is σ = 1202210280. Its totient is φ = 1202070408.

The previous prime is 1202140337. The next prime is 1202140349. The reversal of 1202140343 is 3430412021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (1202140337) and next prime (1202140349).

It is a cyclic number.

It is not a de Polignac number, because 1202140343 - 2⁴ = 1202140327 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 (1202140349) 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, 10673 + ... + 50181.

It is an arithmetic number, because the mean of its divisors is an integer number (300552570).

Almost surely, 2^1202140343 is an apocalyptic number.

1202140343 is a deficient number, since it is larger than the sum of its proper divisors (69937).

1202140343 is an equidigital number, since it uses as much as digits as its factorization.

1202140343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69936.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1202140343 is about 34671.8955784076. The cubic root of 1202140343 is about 1063.2899866590.

Adding to 1202140343 its reverse (3430412021), we get a palindrome (4632552364).

The spelling of 1202140343 in words is "one billion, two hundred two million, one hundred forty thousand, three hundred forty-three".