1026767642 has 8 divisors (see below), whose sum is σ = 1550488500. Its totient is φ = 509938144.

The previous prime is 1026767641. The next prime is 1026767653. The reversal of 1026767642 is 2467676201.

It can be written as a sum of positive squares in 2 ways, for example, as 1014995881 + 11771761 = 31859^2 + 3431^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1026767642.

It is not an unprimeable number, because it can be changed into a prime (1026767641) 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, 1722467 + ... + 1723062.

Almost surely, 2^1026767642 is an apocalyptic number.

1026767642 is a deficient number, since it is larger than the sum of its proper divisors (523720858).

1026767642 is a wasteful number, since it uses less digits than its factorization.

1026767642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445680.

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 1026767642 is about 32043.2152256917. The cubic root of 1026767642 is about 1008.8440986627.

The spelling of 1026767642 in words is "one billion, twenty-six million, seven hundred sixty-seven thousand, six hundred forty-two".