1056135001 has 4 divisors (see below), whose sum is σ = 1090203904. Its totient is φ = 1022066100.

The previous prime is 1056134957. The next prime is 1056135037. The reversal of 1056135001 is 1005316501.

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 1056135001 - 2¹¹ = 1056132953 is a prime.

It is a super-2 number, since 2×1056135001² = 2230842280674540002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056135701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17034405 + ... + 17034466.

It is an arithmetic number, because the mean of its divisors is an integer number (272550976).

Almost surely, 2^1056135001 is an apocalyptic number.

It is an amenable number.

1056135001 is a deficient number, since it is larger than the sum of its proper divisors (34068903).

1056135001 is an equidigital number, since it uses as much as digits as its factorization.

1056135001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34068902.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1056135001 is about 32498.2307364570. The cubic root of 1056135001 is about 1018.3720670920.

The spelling of 1056135001 in words is "one billion, fifty-six million, one hundred thirty-five thousand, one".