126770171 has 4 divisors (see below), whose sum is σ = 138294744. Its totient is φ = 115245600.

The previous prime is 126770143. The next prime is 126770179. The reversal of 126770171 is 171077621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126770171 - 2¹⁰ = 126769147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126770179) 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 3 ways as a sum of consecutive naturals, for example, 5762270 + ... + 5762291.

It is an arithmetic number, because the mean of its divisors is an integer number (34573686).

Almost surely, 2^126770171 is an apocalyptic number.

126770171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

126770171 is a deficient number, since it is larger than the sum of its proper divisors (11524573).

126770171 is a wasteful number, since it uses less digits than its factorization.

126770171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11524572.

The product of its (nonzero) digits is 4116, while the sum is 32.

The square root of 126770171 is about 11259.2260391201. The cubic root of 126770171 is about 502.3491734823.

The spelling of 126770171 in words is "one hundred twenty-six million, seven hundred seventy thousand, one hundred seventy-one".