1342041421 has 64 divisors (see below), whose sum is σ = 1806520320. Its totient is φ = 968647680.

The previous prime is 1342041409. The next prime is 1342041509. The reversal of 1342041421 is 1241402431.

It is a happy number.

It is not a de Polignac number, because 1342041421 - 2¹³ = 1342033229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342041392 and 1342041401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342041121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6812295 + ... + 6812491.

It is an arithmetic number, because the mean of its divisors is an integer number (28226880).

Almost surely, 2^1342041421 is an apocalyptic number.

It is an amenable number.

1342041421 is a deficient number, since it is larger than the sum of its proper divisors (464478899).

1342041421 is a wasteful number, since it uses less digits than its factorization.

1342041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1342041421 is about 36633.8835096690. The cubic root of 1342041421 is about 1103.0333413944.

Adding to 1342041421 its reverse (1241402431), we get a palindrome (2583443852).

The spelling of 1342041421 in words is "one billion, three hundred forty-two million, forty-one thousand, four hundred twenty-one".