1043342405 has 16 divisors (see below), whose sum is σ = 1431905664. Its totient is φ = 714916800.

The previous prime is 1043342387. The next prime is 1043342407. The reversal of 1043342405 is 5042433401.

It is not a de Polignac number, because 1043342405 - 2¹⁶ = 1043276869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043342407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41855 + ... + 61955.

It is an arithmetic number, because the mean of its divisors is an integer number (89494104).

Almost surely, 2^1043342405 is an apocalyptic number.

It is an amenable number.

1043342405 is a deficient number, since it is larger than the sum of its proper divisors (388563259).

1043342405 is a wasteful number, since it uses less digits than its factorization.

1043342405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21596.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1043342405 is about 32300.8112127234. The cubic root of 1043342405 is about 1014.2436242488.

Adding to 1043342405 its reverse (5042433401), we get a palindrome (6085775806).

The spelling of 1043342405 in words is "one billion, forty-three million, three hundred forty-two thousand, four hundred five".