126917438 has 8 divisors (see below), whose sum is σ = 190493688. Its totient is φ = 63419544.

The previous prime is 126917429. The next prime is 126917443. The reversal of 126917438 is 834719621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126917438² = 32216072136967688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126917395 and 126917404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15356 + ... + 22127.

It is an arithmetic number, because the mean of its divisors is an integer number (23811711).

Almost surely, 2^126917438 is an apocalyptic number.

126917438 is a deficient number, since it is larger than the sum of its proper divisors (63576250).

126917438 is a wasteful number, since it uses less digits than its factorization.

126917438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39178.

The product of its digits is 72576, while the sum is 41.

The square root of 126917438 is about 11265.7639776448. The cubic root of 126917438 is about 502.5436220309.

The spelling of 126917438 in words is "one hundred twenty-six million, nine hundred seventeen thousand, four hundred thirty-eight".