126650371 has 16 divisors (see below), whose sum is σ = 137648160. Its totient is φ = 116121600.

The previous prime is 126650341. The next prime is 126650393. The reversal of 126650371 is 173056621.

It is a 13-Lehmer number, since φ(126650371) divides (126650371-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 126650371 - 2⁵ = 126650339 is a prime.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (126650341) 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, 180321 + ... + 181021.

It is an arithmetic number, because the mean of its divisors is an integer number (8603010).

Almost surely, 2^126650371 is an apocalyptic number.

126650371 is a deficient number, since it is larger than the sum of its proper divisors (10997789).

126650371 is a wasteful number, since it uses less digits than its factorization.

126650371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 126650371 is about 11253.9047001474. The cubic root of 126650371 is about 502.1908807284.

The spelling of 126650371 in words is "one hundred twenty-six million, six hundred fifty thousand, three hundred seventy-one".