1055387003 has 4 divisors (see below), whose sum is σ = 1151331288. Its totient is φ = 959442720.

The previous prime is 1055386987. The next prime is 1055387017. The reversal of 1055387003 is 3007835501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3007835501 = 11 ⋅273439591.

It is a cyclic number.

It is not a de Polignac number, because 1055387003 - 2⁴ = 1055386987 is a prime.

It is a super-2 number, since 2×1055387003² = 2227683452202644018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055387023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47972126 + ... + 47972147.

It is an arithmetic number, because the mean of its divisors is an integer number (287832822).

Almost surely, 2^1055387003 is an apocalyptic number.

1055387003 is a deficient number, since it is larger than the sum of its proper divisors (95944285).

1055387003 is an equidigital number, since it uses as much as digits as its factorization.

1055387003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95944284.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1055387003 is about 32486.7204100383. The cubic root of 1055387003 is about 1018.1315927299.

The spelling of 1055387003 in words is "one billion, fifty-five million, three hundred eighty-seven thousand, three".