1253234520 has 96 divisors (see below), whose sum is σ = 4204437120. Its totient is φ = 323412480.

The previous prime is 1253234519. The next prime is 1253234597. The reversal of 1253234520 is 254323521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44989 + ... + 67308.

It is an arithmetic number, because the mean of its divisors is an integer number (43796220).

Almost surely, 2^1253234520 is an apocalyptic number.

1253234520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253234520 is an abundant number, since it is smaller than the sum of its proper divisors (2951202600).

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

1253234520 is a wasteful number, since it uses less digits than its factorization.

1253234520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112345 (or 112338 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1253234520 is about 35401.0525267258. The cubic root of 1253234520 is about 1078.1456863580.

The spelling of 1253234520 in words is "one billion, two hundred fifty-three million, two hundred thirty-four thousand, five hundred twenty".