1252773701 has 4 divisors (see below), whose sum is σ = 1266849900. Its totient is φ = 1238697504.

The previous prime is 1252773689. The next prime is 1252773719. The reversal of 1252773701 is 1073772521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1073772521 = 14347 ⋅74843.

It can be written as a sum of positive squares in 2 ways, for example, as 842508676 + 410265025 = 29026^2 + 20255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252773701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252773751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7037966 + ... + 7038143.

It is an arithmetic number, because the mean of its divisors is an integer number (316712475).

Almost surely, 2^1252773701 is an apocalyptic number.

It is an amenable number.

1252773701 is a deficient number, since it is larger than the sum of its proper divisors (14076199).

1252773701 is an equidigital number, since it uses as much as digits as its factorization.

1252773701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14076198.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 1252773701 is about 35394.5433788882. The cubic root of 1252773701 is about 1078.0135240965.

The spelling of 1252773701 in words is "one billion, two hundred fifty-two million, seven hundred seventy-three thousand, seven hundred one".