1055131225 has 12 divisors (see below), whose sum is σ = 1313844480. Its totient is φ = 840568400.

The previous prime is 1055131211. The next prime is 1055131229. The reversal of 1055131225 is 5221315501.

1055131225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1055131225 - 2¹³ = 1055123033 is a prime.

It is a super-2 number, since 2×1055131225² = 2226603803940001250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1055131225.

It is not an unprimeable number, because it can be changed into a prime (1055131229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82321 + ... + 94270.

It is an arithmetic number, because the mean of its divisors is an integer number (109487040).

Almost surely, 2^1055131225 is an apocalyptic number.

It is an amenable number.

1055131225 is a deficient number, since it is larger than the sum of its proper divisors (258713255).

1055131225 is a wasteful number, since it uses less digits than its factorization.

1055131225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176840 (or 176835 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1055131225 is about 32482.7835168109. The cubic root of 1055131225 is about 1018.0493364257.

Adding to 1055131225 its reverse (5221315501), we get a palindrome (6276446726).

The spelling of 1055131225 in words is "one billion, fifty-five million, one hundred thirty-one thousand, two hundred twenty-five".