126377816 has 16 divisors (see below), whose sum is σ = 249430200. Its totient is φ = 59863104.

The previous prime is 126377773. The next prime is 126377821. The reversal of 126377816 is 618773621.

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, 415565 + ... + 415868.

Almost surely, 2^126377816 is an apocalyptic number.

It is an amenable number.

126377816 is a deficient number, since it is larger than the sum of its proper divisors (123052384).

126377816 is a wasteful number, since it uses less digits than its factorization.

126377816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831458 (or 831454 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 126377816 is about 11241.7888256274. The cubic root of 126377816 is about 501.8303792472.

The spelling of 126377816 in words is "one hundred twenty-six million, three hundred seventy-seven thousand, eight hundred sixteen".