1098541052 has 12 divisors (see below), whose sum is σ = 2197082160. Its totient is φ = 470803296.

The previous prime is 1098541051. The next prime is 1098541097. The reversal of 1098541052 is 2501458901.

1098541052 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098541051) 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, 19616777 + ... + 19616832.

It is an arithmetic number, because the mean of its divisors is an integer number (183090180).

Almost surely, 2^1098541052 is an apocalyptic number.

It is an amenable number.

1098541052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1098541052 is a wasteful number, since it uses less digits than its factorization.

1098541052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39233620 (or 39233618 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1098541052 is about 33144.2461371503. The cubic root of 1098541052 is about 1031.8235368713.

Adding to 1098541052 its reverse (2501458901), we get a palindrome (3599999953).

The spelling of 1098541052 in words is "one billion, ninety-eight million, five hundred forty-one thousand, fifty-two".