1087729401 has 16 divisors (see below), whose sum is σ = 1582755840. Its totient is φ = 658978320.

The previous prime is 1087729399. The next prime is 1087729427. The reversal of 1087729401 is 1049277801.

It is not a de Polignac number, because 1087729401 - 2¹ = 1087729399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1087729401.

It is not an unprimeable number, because it can be changed into a prime (1087729451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118296 + ... + 127158.

It is an arithmetic number, because the mean of its divisors is an integer number (98922240).

Almost surely, 2^1087729401 is an apocalyptic number.

1087729401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1087729401 is a deficient number, since it is larger than the sum of its proper divisors (495026439).

1087729401 is a wasteful number, since it uses less digits than its factorization.

1087729401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12596.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 1087729401 is about 32980.7428812633. The cubic root of 1087729401 is about 1028.4273612733.

The spelling of 1087729401 in words is "one billion, eighty-seven million, seven hundred twenty-nine thousand, four hundred one".