1098134247 has 12 divisors (see below), whose sum is σ = 1703228856. Its totient is φ = 627505200.

The previous prime is 1098134183. The next prime is 1098134249. The reversal of 1098134247 is 7424318901.

It is not a de Polignac number, because 1098134247 - 2⁶ = 1098134183 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098134249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3735004 + ... + 3735297.

It is an arithmetic number, because the mean of its divisors is an integer number (141935738).

Almost surely, 2^1098134247 is an apocalyptic number.

1098134247 is a deficient number, since it is larger than the sum of its proper divisors (605094609).

1098134247 is an equidigital number, since it uses as much as digits as its factorization.

1098134247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470318 (or 7470311 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1098134247 is about 33138.1086816976. The cubic root of 1098134247 is about 1031.6961549535.

The spelling of 1098134247 in words is "one billion, ninety-eight million, one hundred thirty-four thousand, two hundred forty-seven".