1342206561 has 32 divisors (see below), whose sum is σ = 1926144000. Its totient is φ = 829185984.

The previous prime is 1342206539. The next prime is 1342206563. The reversal of 1342206561 is 1656022431.

It is not a de Polignac number, because 1342206561 - 2⁶ = 1342206497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1342206563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670440 + ... + 672438.

It is an arithmetic number, because the mean of its divisors is an integer number (60192000).

Almost surely, 2^1342206561 is an apocalyptic number.

It is an amenable number.

1342206561 is a deficient number, since it is larger than the sum of its proper divisors (583937439).

1342206561 is a wasteful number, since it uses less digits than its factorization.

1342206561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1342206561 is about 36636.1373646295. The cubic root of 1342206561 is about 1103.0785827837.

Adding to 1342206561 its reverse (1656022431), we get a palindrome (2998228992).

The spelling of 1342206561 in words is "one billion, three hundred forty-two million, two hundred six thousand, five hundred sixty-one".