1253726973 has 12 divisors (see below), whose sum is σ = 1811684160. Its totient is φ = 835474056.

The previous prime is 1253726939. The next prime is 1253727019. The reversal of 1253726973 is 3796273521.

1253726973 is a `hidden beast` number, since 1 + 2 + 537 + 26 + 97 + 3 = 666.

It is not a de Polignac number, because 1253726973 - 2⁶ = 1253726909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253766973) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 4503 + ... + 50276.

It is an arithmetic number, because the mean of its divisors is an integer number (150973680).

Almost surely, 2^1253726973 is an apocalyptic number.

It is an amenable number.

1253726973 is a deficient number, since it is larger than the sum of its proper divisors (557957187).

1253726973 is a wasteful number, since it uses less digits than its factorization.

1253726973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57328 (or 57325 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 1253726973 is about 35408.0071876405. The cubic root of 1253726973 is about 1078.2868854024.

The spelling of 1253726973 in words is "one billion, two hundred fifty-three million, seven hundred twenty-six thousand, nine hundred seventy-three".