126570853 has 2 divisors, whose sum is σ = 126570854. Its totient is φ = 126570852.

The previous prime is 126570841. The next prime is 126570869. The reversal of 126570853 is 358075621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101949409 + 24621444 = 10097^2 + 4962^2 .

It is a cyclic number.

It is not a de Polignac number, because 126570853 - 2⁹ = 126570341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126570823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63285426 + 63285427.

It is an arithmetic number, because the mean of its divisors is an integer number (63285427).

Almost surely, 2^126570853 is an apocalyptic number.

It is an amenable number.

126570853 is a deficient number, since it is larger than the sum of its proper divisors (1).

126570853 is an equidigital number, since it uses as much as digits as its factorization.

126570853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 126570853 is about 11250.3712383192. The cubic root of 126570853 is about 502.0857577970.

It can be divided in two parts, 12657085 and 3, that multiplied together give a triangular number (37971255 = T₈₇₁₄).

The spelling of 126570853 in words is "one hundred twenty-six million, five hundred seventy thousand, eight hundred fifty-three".