1098134242 has 32 divisors (see below), whose sum is σ = 1778701680. Its totient is φ = 507386880.

The previous prime is 1098134183. The next prime is 1098134249. The reversal of 1098134242 is 2424318901.

It can be written as a sum of positive squares in 8 ways, for example, as 712836601 + 385297641 = 26699^2 + 19629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1098134198 and 1098134207.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121678 + ... + 130390.

Almost surely, 2^1098134242 is an apocalyptic number.

1098134242 is a deficient number, since it is larger than the sum of its proper divisors (680567438).

1098134242 is a wasteful number, since it uses less digits than its factorization.

1098134242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8838.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1098134242 is about 33138.1086062557. The cubic root of 1098134242 is about 1031.6961533877.

The spelling of 1098134242 in words is "one billion, ninety-eight million, one hundred thirty-four thousand, two hundred forty-two".