1087042997 has 8 divisors (see below), whose sum is σ = 1152902400. Its totient is φ = 1022733360.

The previous prime is 1087042987. The next prime is 1087043033. The reversal of 1087042997 is 7992407801.

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 1087042997 - 2⁴ = 1087042981 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 (1087042987) 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, 385997 + ... + 388802.

It is an arithmetic number, because the mean of its divisors is an integer number (144112800).

Almost surely, 2^1087042997 is an apocalyptic number.

It is an amenable number.

1087042997 is a deficient number, since it is larger than the sum of its proper divisors (65859403).

1087042997 is an equidigital number, since it uses as much as digits as its factorization.

1087042997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774883.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 1087042997 is about 32970.3351059706. The cubic root of 1087042997 is about 1028.2109884653.

The spelling of 1087042997 in words is "one billion, eighty-seven million, forty-two thousand, nine hundred ninety-seven".