1021046461 has 2 divisors, whose sum is σ = 1021046462. Its totient is φ = 1021046460.

The previous prime is 1021046449. The next prime is 1021046557. The reversal of 1021046461 is 1646401201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983763225 + 37283236 = 31365^2 + 6106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021046461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021046161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510523230 + 510523231.

It is an arithmetic number, because the mean of its divisors is an integer number (510523231).

Almost surely, 2^1021046461 is an apocalyptic number.

It is an amenable number.

1021046461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021046461 is an equidigital number, since it uses as much as digits as its factorization.

1021046461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1021046461 is about 31953.8176279455. The cubic root of 1021046461 is about 1006.9668374598.

Adding to 1021046461 its reverse (1646401201), we get a palindrome (2667447662).

The spelling of 1021046461 in words is "one billion, twenty-one million, forty-six thousand, four hundred sixty-one".