1098134250 has 32 divisors (see below), whose sum is σ = 2740944960. Its totient is φ = 292835600.

The previous prime is 1098134249. The next prime is 1098134251. The reversal of 1098134250 is 524318901.

It is an interprime number because it is at equal distance from previous prime (1098134249) and next prime (1098134251).

It is not an unprimeable number, because it can be changed into a prime (1098134251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731340 + ... + 732839.

It is an arithmetic number, because the mean of its divisors is an integer number (85654530).

Almost surely, 2^1098134250 is an apocalyptic number.

1098134250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1098134250 is an abundant number, since it is smaller than the sum of its proper divisors (1642810710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1098134250 is a wasteful number, since it uses less digits than its factorization.

1098134250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464199 (or 1464189 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1098134250 is about 33138.1087269627. The cubic root of 1098134250 is about 1031.6961558930.

The spelling of 1098134250 in words is "one billion, ninety-eight million, one hundred thirty-four thousand, two hundred fifty".