1255213130 has 8 divisors (see below), whose sum is σ = 2259383652. Its totient is φ = 502085248.

The previous prime is 1255213121. The next prime is 1255213147. The reversal of 1255213130 is 313125521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1176695809 + 78517321 = 34303^2 + 8861^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1255213096 and 1255213105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62760647 + ... + 62760666.

Almost surely, 2^1255213130 is an apocalyptic number.

1255213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255213130 is a deficient number, since it is larger than the sum of its proper divisors (1004170522).

1255213130 is a wasteful number, since it uses less digits than its factorization.

1255213130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125521320.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1255213130 is about 35428.9871432984. The cubic root of 1255213130 is about 1078.7127811133.

Adding to 1255213130 its reverse (313125521), we get a palindrome (1568338651).

The spelling of 1255213130 in words is "one billion, two hundred fifty-five million, two hundred thirteen thousand, one hundred thirty".