1056135227 has 4 divisors (see below), whose sum is σ = 1207011696. Its totient is φ = 905258760.

The previous prime is 1056135211. The next prime is 1056135247. The reversal of 1056135227 is 7225316501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1056135227 - 2⁴ = 1056135211 is a prime.

It is a super-2 number, since 2×1056135227² = 2230843235420683058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1056135193 and 1056135202.

It is not an unprimeable number, because it can be changed into a prime (1056135247) 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, 75438224 + ... + 75438237.

It is an arithmetic number, because the mean of its divisors is an integer number (301752924).

Almost surely, 2^1056135227 is an apocalyptic number.

1056135227 is a deficient number, since it is larger than the sum of its proper divisors (150876469).

1056135227 is an equidigital number, since it uses as much as digits as its factorization.

1056135227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150876468.

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

The square root of 1056135227 is about 32498.2342135692. The cubic root of 1056135227 is about 1018.3721397318.

The spelling of 1056135227 in words is "one billion, fifty-six million, one hundred thirty-five thousand, two hundred twenty-seven".