1264567042 has 8 divisors (see below), whose sum is σ = 1897039116. Its totient is φ = 632220672.

The previous prime is 1264567039. The next prime is 1264567043. The reversal of 1264567042 is 2407654621.

It can be written as a sum of positive squares in 2 ways, for example, as 1146431881 + 118135161 = 33859^2 + 10869^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1264566992 and 1264567010.

It is not an unprimeable number, because it can be changed into a prime (1264567043) 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, 18 + ... + 50290.

Almost surely, 2^1264567042 is an apocalyptic number.

1264567042 is a deficient number, since it is larger than the sum of its proper divisors (632472074).

1264567042 is a wasteful number, since it uses less digits than its factorization.

1264567042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62852.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1264567042 is about 35560.7514262564. The cubic root of 1264567042 is about 1081.3856933203.

The spelling of 1264567042 in words is "one billion, two hundred sixty-four million, five hundred sixty-seven thousand, forty-two".