1253800030 has 32 divisors (see below), whose sum is σ = 2580592320. Its totient is φ = 429649920.

The previous prime is 1253800001. The next prime is 1253800043. The reversal of 1253800030 is 300083521.

It is a junction number, because it is equal to n+sod(n) for n = 1253799974 and 1253800010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184900 + ... + 191560.

It is an arithmetic number, because the mean of its divisors is an integer number (80643510).

Almost surely, 2^1253800030 is an apocalyptic number.

1253800030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253800030 is an abundant number, since it is smaller than the sum of its proper divisors (1326792290).

1253800030 is a wasteful number, since it uses less digits than its factorization.

1253800030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9364.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1253800030 is about 35409.0388177934. The cubic root of 1253800030 is about 1078.3078295889.

Adding to 1253800030 its reverse (300083521), we get a palindrome (1553883551).

The spelling of 1253800030 in words is "one billion, two hundred fifty-three million, eight hundred thousand, thirty".