1087218953 has 8 divisors (see below), whose sum is σ = 1105827840. Its totient is φ = 1068701760.

The previous prime is 1087218917. The next prime is 1087218973. The reversal of 1087218953 is 3598127801.

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 1087218953 - 2⁶ = 1087218889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087218973) 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, 1208 + ... + 46646.

It is an arithmetic number, because the mean of its divisors is an integer number (138228480).

Almost surely, 2^1087218953 is an apocalyptic number.

It is an amenable number.

1087218953 is a deficient number, since it is larger than the sum of its proper divisors (18608887).

1087218953 is an equidigital number, since it uses as much as digits as its factorization.

1087218953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45847.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1087218953 is about 32973.0033967184. The cubic root of 1087218953 is about 1028.2664631590.

The spelling of 1087218953 in words is "one billion, eighty-seven million, two hundred eighteen thousand, nine hundred fifty-three".