1230774498 has 18 divisors (see below), whose sum is σ = 2667000609. Its totient is φ = 410208552.

The previous prime is 1230774497. The next prime is 1230774499. The reversal of 1230774498 is 8944770321.

It is an interprime number because it is at equal distance from previous prime (1230774497) and next prime (1230774499).

It can be written as a sum of positive squares in 2 ways, for example, as 949440969 + 281333529 = 30813^2 + 16773^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24807.

It is not an unprimeable number, because it can be changed into a prime (1230774497) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 144708 + ... + 152976.

Almost surely, 2^1230774498 is an apocalyptic number.

1230774498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1230774498 is an abundant number, since it is smaller than the sum of its proper divisors (1436226111).

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

1230774498 is an frugal number, since it uses more digits than its factorization.

1230774498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16546 (or 8274 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1230774498 is about 35082.3958417894. The cubic root of 1230774498 is about 1071.6661084462. Note that the first 3 decimals are identical.

The spelling of 1230774498 in words is "one billion, two hundred thirty million, seven hundred seventy-four thousand, four hundred ninety-eight".