1262748874 has 4 divisors (see below), whose sum is σ = 1894123314. Its totient is φ = 631374436.

The previous prime is 1262748871. The next prime is 1262748887. The reversal of 1262748874 is 4788472621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4788472621 = 241 ⋅19869181.

It can be written as a sum of positive squares in only one way, i.e., 753118249 + 509630625 = 27443^2 + 22575^2 .

It is not an unprimeable number, because it can be changed into a prime (1262748871) by changing a digit.

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 as a sum of consecutive naturals, namely, 315687217 + ... + 315687220.

Almost surely, 2^1262748874 is an apocalyptic number.

1262748874 is a deficient number, since it is larger than the sum of its proper divisors (631374440).

1262748874 is an equidigital number, since it uses as much as digits as its factorization.

1262748874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631374439.

The product of its digits is 1204224, while the sum is 49.

The square root of 1262748874 is about 35535.1779790112. The cubic root of 1262748874 is about 1080.8671801735.

The spelling of 1262748874 in words is "one billion, two hundred sixty-two million, seven hundred forty-eight thousand, eight hundred seventy-four".