1251030230 has 16 divisors (see below), whose sum is σ = 2260230480. Its totient is φ = 498550752.

The previous prime is 1251030229. The next prime is 1251030239. The reversal of 1251030230 is 320301521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1251030199 and 1251030208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1251030239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229844 + ... + 235223.

It is an arithmetic number, because the mean of its divisors is an integer number (141264405).

Almost surely, 2^1251030230 is an apocalyptic number.

1251030230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1251030230 is a deficient number, since it is larger than the sum of its proper divisors (1009200250).

1251030230 is a wasteful number, since it uses less digits than its factorization.

1251030230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465343.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1251030230 is about 35369.9057109289. The cubic root of 1251030230 is about 1077.5132055164.

Adding to 1251030230 its reverse (320301521), we get a palindrome (1571331751).

The spelling of 1251030230 in words is "one billion, two hundred fifty-one million, thirty thousand, two hundred thirty".