1262196242 has 4 divisors (see below), whose sum is σ = 1893294366. Its totient is φ = 631098120.

The previous prime is 1262196167. The next prime is 1262196269. The reversal of 1262196242 is 2426912621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1108956601 + 153239641 = 33301^2 + 12379^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315549059 + ... + 315549062.

Almost surely, 2^1262196242 is an apocalyptic number.

1262196242 is a deficient number, since it is larger than the sum of its proper divisors (631098124).

1262196242 is an equidigital number, since it uses as much as digits as its factorization.

1262196242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631098123.

The product of its digits is 20736, while the sum is 35.

The square root of 1262196242 is about 35527.4012840793. The cubic root of 1262196242 is about 1080.7094795246.

The spelling of 1262196242 in words is "one billion, two hundred sixty-two million, one hundred ninety-six thousand, two hundred forty-two".