1081242386 has 32 divisors (see below), whose sum is σ = 1978629120. Its totient is φ = 432810000.

The previous prime is 1081242377. The next prime is 1081242391. The reversal of 1081242386 is 6832421801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9740 + ... + 47511.

It is an arithmetic number, because the mean of its divisors is an integer number (61832160).

Almost surely, 2^1081242386 is an apocalyptic number.

1081242386 is a deficient number, since it is larger than the sum of its proper divisors (897386734).

1081242386 is a wasteful number, since it uses less digits than its factorization.

1081242386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57350.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1081242386 is about 32882.2503183709. The cubic root of 1081242386 is about 1026.3788339451.

The spelling of 1081242386 in words is "one billion, eighty-one million, two hundred forty-two thousand, three hundred eighty-six".