1098602144 has 24 divisors (see below), whose sum is σ = 2163660660. Its totient is φ = 549101056.

The previous prime is 1098602119. The next prime is 1098602147. The reversal of 1098602144 is 4412068901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 924889744 + 173712400 = 30412^2 + 13180^2 .

It is not an unprimeable number, because it can be changed into a prime (1098602147) 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, 126122 + ... + 134550.

Almost surely, 2^1098602144 is an apocalyptic number.

It is an amenable number.

1098602144 is a deficient number, since it is larger than the sum of its proper divisors (1065058516).

1098602144 is an equidigital number, since it uses as much as digits as its factorization.

1098602144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512 (or 12504 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1098602144 is about 33145.1677322653. The cubic root of 1098602144 is about 1031.8426637532.

The spelling of 1098602144 in words is "one billion, ninety-eight million, six hundred two thousand, one hundred forty-four".