1054621 has 2 divisors, whose sum is σ = 1054622. Its totient is φ = 1054620.

The previous prime is 1054609. The next prime is 1054639. The reversal of 1054621 is 1264501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657721 + 396900 = 811^2 + 630^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054621 - 2¹¹ = 1052573 is a prime.

It is a super-2 number, since 2×1054621² = 2224450907282, which contains 22 as substring.

1054621 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527310 + 527311.

It is an arithmetic number, because the mean of its divisors is an integer number (527311).

2^1054621 is an apocalyptic number.

It is an amenable number.

1054621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054621 is an equidigital number, since it uses as much as digits as its factorization.

1054621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1054621 is about 1026.9474183229. The cubic root of 1054621 is about 101.7885212141.

The spelling of 1054621 in words is "one million, fifty-four thousand, six hundred twenty-one".