1055440125 has 48 divisors (see below), whose sum is σ = 1973130432. Its totient is φ = 562885200.

The previous prime is 1055440091. The next prime is 1055440247. The reversal of 1055440125 is 5210445501.

1055440125 is a `hidden beast` number, since 105 + 544 + 0 + 12 + 5 = 666.

It is not a de Polignac number, because 1055440125 - 2¹¹ = 1055438077 is a prime.

It is a super-2 number, since 2×1055440125² = 2227907714920031250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13002 + ... + 47748.

It is an arithmetic number, because the mean of its divisors is an integer number (41106884).

Almost surely, 2^1055440125 is an apocalyptic number.

1055440125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055440125 is a deficient number, since it is larger than the sum of its proper divisors (917690307).

1055440125 is an frugal number, since it uses more digits than its factorization.

1055440125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34777 (or 34755 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1055440125 is about 32487.5379953606. The cubic root of 1055440125 is about 1018.1486747036.

Adding to 1055440125 its reverse (5210445501), we get a palindrome (6265885626).

The spelling of 1055440125 in words is "one billion, fifty-five million, four hundred forty thousand, one hundred twenty-five".