1055125013 has 4 divisors (see below), whose sum is σ = 1079662848. Its totient is φ = 1030587180.

The previous prime is 1055125003. The next prime is 1055125039. The reversal of 1055125013 is 3105215501.

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.

It is a cyclic number.

It is not a de Polignac number, because 1055125013 - 2⁴ = 1055124997 is a prime.

It is a super-2 number, since 2×1055125013² = 2226577586116500338, which contains 22 as substring.

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 1055125013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055125003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12268853 + ... + 12268938.

It is an arithmetic number, because the mean of its divisors is an integer number (269915712).

Almost surely, 2^1055125013 is an apocalyptic number.

It is an amenable number.

1055125013 is a deficient number, since it is larger than the sum of its proper divisors (24537835).

1055125013 is an equidigital number, since it uses as much as digits as its factorization.

1055125013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24537834.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1055125013 is about 32482.6878967859. The cubic root of 1055125013 is about 1018.0473385274.

The spelling of 1055125013 in words is "one billion, fifty-five million, one hundred twenty-five thousand, thirteen".