1427087442 has 64 divisors (see below), whose sum is σ = 3171778560. Its totient is φ = 424444800.

The previous prime is 1427087437. The next prime is 1427087507. The reversal of 1427087442 is 2447807241.

It is a happy number.

It is a super-2 number, since 2×1427087442² = 4073157134228206728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1427087442.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 995158 + ... + 996590.

It is an arithmetic number, because the mean of its divisors is an integer number (49559040).

Almost surely, 2^1427087442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1427087442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585889280).

1427087442 is an abundant number, since it is smaller than the sum of its proper divisors (1744691118).

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

1427087442 is a wasteful number, since it uses less digits than its factorization.

1427087442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 100352, while the sum is 39.

The square root of 1427087442 is about 37776.8109029865. The cubic root of 1427087442 is about 1125.8577667598.

The spelling of 1427087442 in words is "one billion, four hundred twenty-seven million, eighty-seven thousand, four hundred forty-two".