1427520642 has 8 divisors (see below), whose sum is σ = 2855041296. Its totient is φ = 475840212.

The previous prime is 1427520641. The next prime is 1427520649. The reversal of 1427520642 is 2460257241.

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

1427520642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1427520641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118960048 + ... + 118960059.

It is an arithmetic number, because the mean of its divisors is an integer number (356880162).

Almost surely, 2^1427520642 is an apocalyptic number.

1427520642 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.

1427520642 is a wasteful number, since it uses less digits than its factorization.

1427520642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237920112.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 1427520642 is about 37782.5441440886. The cubic root of 1427520642 is about 1125.9716752768.

Adding to 1427520642 its reverse (2460257241), we get a palindrome (3887777883).

The spelling of 1427520642 in words is "one billion, four hundred twenty-seven million, five hundred twenty thousand, six hundred forty-two".