126857357 has 16 divisors (see below), whose sum is σ = 146065920. Its totient is φ = 108961200.

The previous prime is 126857347. The next prime is 126857359. The reversal of 126857357 is 753758621.

It is a happy number.

It is not a de Polignac number, because 126857357 - 2⁶ = 126857293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126857359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118808 + ... + 119870.

It is an arithmetic number, because the mean of its divisors is an integer number (9129120).

Almost surely, 2^126857357 is an apocalyptic number.

It is an amenable number.

126857357 is a deficient number, since it is larger than the sum of its proper divisors (19208563).

126857357 is a wasteful number, since it uses less digits than its factorization.

126857357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664.

The product of its digits is 352800, while the sum is 44.

The square root of 126857357 is about 11263.0971317840. The cubic root of 126857357 is about 502.4643103948.

The spelling of 126857357 in words is "one hundred twenty-six million, eight hundred fifty-seven thousand, three hundred fifty-seven".