1260027642 has 8 divisors (see below), whose sum is σ = 2520055296. Its totient is φ = 420009212.

The previous prime is 1260027623. The next prime is 1260027647. The reversal of 1260027642 is 2467200621.

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

1260027642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1260027647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105002298 + ... + 105002309.

It is an arithmetic number, because the mean of its divisors is an integer number (315006912).

Almost surely, 2^1260027642 is an apocalyptic number.

1260027642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260027642 is a wasteful number, since it uses less digits than its factorization.

1260027642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210004612.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1260027642 is about 35496.8680590274. The cubic root of 1260027642 is about 1080.0901965136.

The spelling of 1260027642 in words is "one billion, two hundred sixty million, twenty-seven thousand, six hundred forty-two".