1018870097 has 8 divisors (see below), whose sum is σ = 1166556096. Its totient is φ = 871717392.

The previous prime is 1018870091. The next prime is 1018870103. The reversal of 1018870097 is 7900788101.

It is an interprime number because it is at equal distance from previous prime (1018870091) and next prime (1018870103).

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

It is not a de Polignac number, because 1018870097 - 2¹² = 1018866001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018870091) 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 7 ways as a sum of consecutive naturals, for example, 129218 + ... + 136875.

It is an arithmetic number, because the mean of its divisors is an integer number (145819512).

Almost surely, 2^1018870097 is an apocalyptic number.

It is an amenable number.

1018870097 is a deficient number, since it is larger than the sum of its proper divisors (147685999).

1018870097 is an equidigital number, since it uses as much as digits as its factorization.

1018870097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266647.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 1018870097 is about 31919.7446261714. The cubic root of 1018870097 is about 1006.2508774500.

The spelling of 1018870097 in words is "one billion, eighteen million, eight hundred seventy thousand, ninety-seven".