1253030000 has 50 divisors (see below), whose sum is σ = 3033735144. Its totient is φ = 501208000.

The previous prime is 1253029997. The next prime is 1253030003. The reversal of 1253030000 is 303521.

It is an interprime number because it is at equal distance from previous prime (1253029997) and next prime (1253030003).

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253030003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52652 + ... + 72651.

Almost surely, 2^1253030000 is an apocalyptic number.

1253030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253030000 is an abundant number, since it is smaller than the sum of its proper divisors (1780705144).

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

1253030000 is an equidigital number, since it uses as much as digits as its factorization.

1253030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125331 (or 125310 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 1253030000 is about 35398.1637941857. The cubic root of 1253030000 is about 1078.0870342998.

Adding to 1253030000 its reverse (303521), we get a palindrome (1253333521).

The spelling of 1253030000 in words is "one billion, two hundred fifty-three million, thirty thousand".