1054399 has 4 divisors (see below), whose sum is σ = 1057536. Its totient is φ = 1051264.

The previous prime is 1054393. The next prime is 1054423. The reversal of 1054399 is 9934501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9934501 = 29 ⋅342569.

It is a cyclic number.

It is not a de Polignac number, because 1054399 - 2¹³ = 1046207 is a prime.

It is a super-2 number, since 2×1054399² = 2223514502402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054393) 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 3 ways as a sum of consecutive naturals, for example, 994 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (264384).

2^1054399 is an apocalyptic number.

1054399 is a deficient number, since it is larger than the sum of its proper divisors (3137).

1054399 is an equidigital number, since it uses as much as digits as its factorization.

1054399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1054399 is about 1026.8393253085. The cubic root of 1054399 is about 101.7813784783.

The spelling of 1054399 in words is "one million, fifty-four thousand, three hundred ninety-nine".