1026706641 has 4 divisors (see below), whose sum is σ = 1368942192. Its totient is φ = 684471092.

The previous prime is 1026706621. The next prime is 1026706649. The reversal of 1026706641 is 1466076201.

1026706641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1466076201 = 3 ⋅488692067.

It is a cyclic number.

It is not a de Polignac number, because 1026706641 - 2⁵ = 1026706609 is a prime.

It is a super-4 number, since 4×1026706641⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1026706649) 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, 171117771 + ... + 171117776.

It is an arithmetic number, because the mean of its divisors is an integer number (342235548).

Almost surely, 2^1026706641 is an apocalyptic number.

It is an amenable number.

1026706641 is a deficient number, since it is larger than the sum of its proper divisors (342235551).

1026706641 is an equidigital number, since it uses as much as digits as its factorization.

1026706641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342235550.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1026706641 is about 32042.2633563860. The cubic root of 1026706641 is about 1008.8241195505.

The spelling of 1026706641 in words is "one billion, twenty-six million, seven hundred six thousand, six hundred forty-one".