1087140551 has 8 divisors (see below), whose sum is σ = 1244031360. Its totient is φ = 930646008.

The previous prime is 1087140541. The next prime is 1087140553. The reversal of 1087140551 is 1550417801.

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

It is a cyclic number.

It is not a de Polignac number, because 1087140551 - 2¹⁴ = 1087124167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087140553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93161 + ... + 104178.

It is an arithmetic number, because the mean of its divisors is an integer number (155503920).

Almost surely, 2^1087140551 is an apocalyptic number.

1087140551 is a deficient number, since it is larger than the sum of its proper divisors (156890809).

1087140551 is an equidigital number, since it uses as much as digits as its factorization.

1087140551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198133.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 1087140551 is about 32971.8144935944. The cubic root of 1087140551 is about 1028.2417456339.

The spelling of 1087140551 in words is "one billion, eighty-seven million, one hundred forty thousand, five hundred fifty-one".