1201146626 has 4 divisors (see below), whose sum is σ = 1801719942. Its totient is φ = 600573312.

The previous prime is 1201146623. The next prime is 1201146629. The reversal of 1201146626 is 6266411021.

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

It is an interprime number because it is at equal distance from previous prime (1201146623) and next prime (1201146629).

It can be written as a sum of positive squares in only one way, i.e., 800946601 + 400200025 = 28301^2 + 20005^2 .

It is not an unprimeable number, because it can be changed into a prime (1201146623) 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, 300286655 + ... + 300286658.

Almost surely, 2^1201146626 is an apocalyptic number.

1201146626 is a deficient number, since it is larger than the sum of its proper divisors (600573316).

1201146626 is an equidigital number, since it uses as much as digits as its factorization.

1201146626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600573315.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1201146626 is about 34657.5623205095. The cubic root of 1201146626 is about 1062.9969258655.

Adding to 1201146626 its reverse (6266411021), we get a palindrome (7467557647).

The spelling of 1201146626 in words is "one billion, two hundred one million, one hundred forty-six thousand, six hundred twenty-six".