126254973 has 16 divisors (see below), whose sum is σ = 181803776. Its totient is φ = 77474880.

The previous prime is 126254963. The next prime is 126254993. The reversal of 126254973 is 379452621.

It is not a de Polignac number, because 126254973 - 2¹⁰ = 126253949 is a prime.

It is a super-3 number, since 3×126254973³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126254963) 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 15 ways as a sum of consecutive naturals, for example, 9903 + ... + 18723.

It is an arithmetic number, because the mean of its divisors is an integer number (11362736).

Almost surely, 2^126254973 is an apocalyptic number.

126254973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

126254973 is a deficient number, since it is larger than the sum of its proper divisors (55548803).

126254973 is a wasteful number, since it uses less digits than its factorization.

126254973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204.

The product of its digits is 90720, while the sum is 39.

The square root of 126254973 is about 11236.3238205385. The cubic root of 126254973 is about 501.6677285119.

The spelling of 126254973 in words is "one hundred twenty-six million, two hundred fifty-four thousand, nine hundred seventy-three".