1230134292 has 18 divisors (see below), whose sum is σ = 3109506218. Its totient is φ = 410044752.

The previous prime is 1230134291. The next prime is 1230134299. The reversal of 1230134292 is 2924310321.

It is a happy number.

1230134292 is a `hidden beast` number, since 1 + 230 + 1 + 3 + 429 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 864712836 + 365421456 = 29406^2 + 19116^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230134291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17085163 + ... + 17085234.

Almost surely, 2^1230134292 is an apocalyptic number.

1230134292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230134292 is an abundant number, since it is smaller than the sum of its proper divisors (1879371926).

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

1230134292 is a wasteful number, since it uses less digits than its factorization.

1230134292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34170407 (or 34170402 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1230134292 is about 35073.2703351142. The cubic root of 1230134292 is about 1071.4802617652.

The spelling of 1230134292 in words is "one billion, two hundred thirty million, one hundred thirty-four thousand, two hundred ninety-two".