1026679945 has 8 divisors (see below), whose sum is σ = 1252897920. Its totient is φ = 807422640.

The previous prime is 1026679939. The next prime is 1026679949. The reversal of 1026679945 is 5499766201.

It is a happy number.

1026679945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1026679945 - 2²⁵ = 993125513 is a prime.

It is a super-4 number, since 4×1026679945⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1026679949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1739841 + ... + 1740430.

It is an arithmetic number, because the mean of its divisors is an integer number (156612240).

Almost surely, 2^1026679945 is an apocalyptic number.

It is an amenable number.

1026679945 is a deficient number, since it is larger than the sum of its proper divisors (226217975).

1026679945 is an equidigital number, since it uses as much as digits as its factorization.

1026679945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480335.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 1026679945 is about 32041.8467788609. The cubic root of 1026679945 is about 1008.8153757994.

The spelling of 1026679945 in words is "one billion, twenty-six million, six hundred seventy-nine thousand, nine hundred forty-five".