1098361003 has 4 divisors (see below), whose sum is σ = 1098508320. Its totient is φ = 1098213688.

The previous prime is 1098360979. The next prime is 1098361027. The reversal of 1098361003 is 3001638901.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1098360979) and next prime (1098361027).

It is a cyclic number.

It is not a de Polignac number, because 1098361003 - 2¹⁷ = 1098229931 is a prime.

It is a super-2 number, since 2×1098361003² = 2412793785822332018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098361073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61843 + ... + 77596.

It is an arithmetic number, because the mean of its divisors is an integer number (274627080).

Almost surely, 2^1098361003 is an apocalyptic number.

1098361003 is a deficient number, since it is larger than the sum of its proper divisors (147317).

1098361003 is an equidigital number, since it uses as much as digits as its factorization.

1098361003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147316.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1098361003 is about 33141.5298832145. The cubic root of 1098361003 is about 1031.7671624202.

Adding to 1098361003 its reverse (3001638901), we get a palindrome (4099999904).

The spelling of 1098361003 in words is "one billion, ninety-eight million, three hundred sixty-one thousand, three".