1246104661 has 2 divisors, whose sum is σ = 1246104662. Its totient is φ = 1246104660.

The previous prime is 1246104623. The next prime is 1246104703. The reversal of 1246104661 is 1664016421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845704561 + 400400100 = 29081^2 + 20010^2 .

It is a cyclic number.

It is not a de Polignac number, because 1246104661 - 2⁷ = 1246104533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1246102661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623052330 + 623052331.

It is an arithmetic number, because the mean of its divisors is an integer number (623052331).

Almost surely, 2^1246104661 is an apocalyptic number.

It is an amenable number.

1246104661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246104661 is an equidigital number, since it uses as much as digits as its factorization.

1246104661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1246104661 is about 35300.2076622787. The cubic root of 1246104661 is about 1076.0972135350.

The spelling of 1246104661 in words is "one billion, two hundred forty-six million, one hundred four thousand, six hundred sixty-one".