1010021461 has 2 divisors, whose sum is σ = 1010021462. Its totient is φ = 1010021460.

The previous prime is 1010021443. The next prime is 1010021489. The reversal of 1010021461 is 1641200101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630512100 + 379509361 = 25110^2 + 19481^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010021461 - 2¹⁹ = 1009497173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010021401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010730 + 505010731.

It is an arithmetic number, because the mean of its divisors is an integer number (505010731).

Almost surely, 2^1010021461 is an apocalyptic number.

It is an amenable number.

1010021461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010021461 is an equidigital number, since it uses as much as digits as its factorization.

1010021461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1010021461 is about 31780.8348065308. The cubic root of 1010021461 is about 1003.3293898612.

Adding to 1010021461 its reverse (1641200101), we get a palindrome (2651221562).

The spelling of 1010021461 in words is "one billion, ten million, twenty-one thousand, four hundred sixty-one".