1005125314 has 4 divisors (see below), whose sum is σ = 1507687974. Its totient is φ = 502562656.

The previous prime is 1005125299. The next prime is 1005125321. The reversal of 1005125314 is 4135215001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4135215001 = 3307 ⋅1250443.

It can be written as a sum of positive squares in only one way, i.e., 947593089 + 57532225 = 30783^2 + 7585^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251281327 + ... + 251281330.

Almost surely, 2^1005125314 is an apocalyptic number.

1005125314 is a deficient number, since it is larger than the sum of its proper divisors (502562660).

1005125314 is an equidigital number, since it uses as much as digits as its factorization.

1005125314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502562659.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1005125314 is about 31703.7113600285. The cubic root of 1005125314 is about 1001.7055275222.

The spelling of 1005125314 in words is "one billion, five million, one hundred twenty-five thousand, three hundred fourteen".