1148079898 has 24 divisors (see below), whose sum is σ = 2072366100. Its totient is φ = 475066368.

The previous prime is 1148079871. The next prime is 1148079899. The reversal of 1148079898 is 8989708411.

It can be written as a sum of positive squares in 2 ways, for example, as 1119103209 + 28976689 = 33453^2 + 5383^2 .

It is not an unprimeable number, because it can be changed into a prime (1148079899) 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, 199143 + ... + 204826.

Almost surely, 2^1148079898 is an apocalyptic number.

1148079898 is a deficient number, since it is larger than the sum of its proper divisors (924286202).

1148079898 is a wasteful number, since it uses less digits than its factorization.

1148079898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404014 (or 404007 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 55.

The square root of 1148079898 is about 33883.3277291355. The cubic root of 1148079898 is about 1047.1061353618.

It can be divided in two parts, 11480 and 79898, that added together give a triangular number (91378 = T₄₂₇).

The spelling of 1148079898 in words is "one billion, one hundred forty-eight million, seventy-nine thousand, eight hundred ninety-eight".