1021461 has 16 divisors (see below), whose sum is σ = 1572864. Its totient is φ = 577584.

The previous prime is 1021457. The next prime is 1021463. The reversal of 1021461 is 1641201.

It is not a de Polignac number, because 1021461 - 2² = 1021457 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2476 + ... + 2858.

It is an arithmetic number, because the mean of its divisors is an integer number (98304).

2^1021461 is an apocalyptic number.

It is an amenable number.

1021461 is a deficient number, since it is larger than the sum of its proper divisors (551403).

1021461 is a wasteful number, since it uses less digits than its factorization.

1021461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1021461 is about 1010.6735377955. The cubic root of 1021461 is about 100.7103093273.

Adding to 1021461 its reverse (1641201), we get a palindrome (2662662).

The spelling of 1021461 in words is "one million, twenty-one thousand, four hundred sixty-one".