1054442 has 8 divisors (see below), whose sum is σ = 1674756. Its totient is φ = 496192.

The previous prime is 1054441. The next prime is 1054457. The reversal of 1054442 is 2444501.

It can be written as a sum of positive squares in 2 ways, for example, as 1002001 + 52441 = 1001^2 + 229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1054442² = 2223695862728, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1054441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15473 + ... + 15540.

2^1054442 is an apocalyptic number.

1054442 is a deficient number, since it is larger than the sum of its proper divisors (620314).

1054442 is a wasteful number, since it uses less digits than its factorization.

1054442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31032.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1054442 is about 1026.8602631322. The cubic root of 1054442 is about 101.7827620595.

Adding to 1054442 its reverse (2444501), we get a palindrome (3498943).

The spelling of 1054442 in words is "one million, fifty-four thousand, four hundred forty-two".