126417157 has 4 divisors (see below), whose sum is σ = 126541996. Its totient is φ = 126292320.

The previous prime is 126417149. The next prime is 126417167. The reversal of 126417157 is 751714621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27394756 + 99022401 = 5234^2 + 9951^2 .

It is a cyclic number.

It is not a de Polignac number, because 126417157 - 2³ = 126417149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126417167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60888 + ... + 62929.

It is an arithmetic number, because the mean of its divisors is an integer number (31635499).

Almost surely, 2^126417157 is an apocalyptic number.

It is an amenable number.

126417157 is a deficient number, since it is larger than the sum of its proper divisors (124839).

126417157 is a wasteful number, since it uses less digits than its factorization.

126417157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124838.

The product of its digits is 11760, while the sum is 34.

The square root of 126417157 is about 11243.5384554863. The cubic root of 126417157 is about 501.8824465624.

The spelling of 126417157 in words is "one hundred twenty-six million, four hundred seventeen thousand, one hundred fifty-seven".