1253730234 has 8 divisors (see below), whose sum is σ = 2507460480. Its totient is φ = 417910076.

The previous prime is 1253730223. The next prime is 1253730239. The reversal of 1253730234 is 4320373521.

It is a sphenic number, since it is the product of 3 distinct primes.

1253730234 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1253730239) 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, 104477514 + ... + 104477525.

It is an arithmetic number, because the mean of its divisors is an integer number (313432560).

Almost surely, 2^1253730234 is an apocalyptic number.

1253730234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1253730234 is a wasteful number, since it uses less digits than its factorization.

1253730234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208955044.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 1253730234 is about 35408.0532365167. The cubic root of 1253730234 is about 1078.2878202924.

The spelling of 1253730234 in words is "one billion, two hundred fifty-three million, seven hundred thirty thousand, two hundred thirty-four".