1342220461 has 2 divisors, whose sum is σ = 1342220462. Its totient is φ = 1342220460.

The previous prime is 1342220419. The next prime is 1342220471. The reversal of 1342220461 is 1640222431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1266007561 + 76212900 = 35581^2 + 8730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342220461 - 2⁷ = 1342220333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342220471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671110230 + 671110231.

It is an arithmetic number, because the mean of its divisors is an integer number (671110231).

Almost surely, 2^1342220461 is an apocalyptic number.

It is an amenable number.

1342220461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342220461 is an equidigital number, since it uses as much as digits as its factorization.

1342220461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1342220461 is about 36636.3270675432. The cubic root of 1342220461 is about 1103.0823906276.

Adding to 1342220461 its reverse (1640222431), we get a palindrome (2982442892).

The spelling of 1342220461 in words is "one billion, three hundred forty-two million, two hundred twenty thousand, four hundred sixty-one".