1055401 has 4 divisors (see below), whose sum is σ = 1101312. Its totient is φ = 1009492.

The previous prime is 1055399. The next prime is 1055407. The reversal of 1055401 is 1045501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1045501 = 571 ⋅1831.

It is a cyclic number.

It is not a de Polignac number, because 1055401 - 2¹ = 1055399 is a prime.

It is a super-2 number, since 2×1055401² = 2227742541602, which contains 22 as substring.

It is a Duffinian number.

1055401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1055407) 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, 22921 + ... + 22966.

It is an arithmetic number, because the mean of its divisors is an integer number (275328).

2^1055401 is an apocalyptic number.

It is an amenable number.

1055401 is a deficient number, since it is larger than the sum of its proper divisors (45911).

1055401 is an equidigital number, since it uses as much as digits as its factorization.

1055401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45910.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1055401 is about 1027.3271144090. The cubic root of 1055401 is about 101.8136093678.

Adding to 1055401 its product of nonzero digits (100), we get a palindrome (1055501).

The spelling of 1055401 in words is "one million, fifty-five thousand, four hundred one".