1056342641 has 4 divisors (see below), whose sum is σ = 1058793984. Its totient is φ = 1053891300.

The previous prime is 1056342619. The next prime is 1056342647. The reversal of 1056342641 is 1462436501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1462436501 = 31 ⋅47175371.

It is a cyclic number.

It is not a de Polignac number, because 1056342641 - 2²² = 1052148337 is a prime.

It is a super-2 number, since 2×1056342641² = 2231719550389709762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1056342598 and 1056342607.

It is not an unprimeable number, because it can be changed into a prime (1056342647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225025 + ... + 1225886.

It is an arithmetic number, because the mean of its divisors is an integer number (264698496).

Almost surely, 2^1056342641 is an apocalyptic number.

It is an amenable number.

1056342641 is a deficient number, since it is larger than the sum of its proper divisors (2451343).

1056342641 is an equidigital number, since it uses as much as digits as its factorization.

1056342641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451342.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1056342641 is about 32501.4252149040. The cubic root of 1056342641 is about 1018.4388012753.

The spelling of 1056342641 in words is "one billion, fifty-six million, three hundred forty-two thousand, six hundred forty-one".