126776992 has 12 divisors (see below), whose sum is σ = 249592266. Its totient is φ = 63388480.

The previous prime is 126776981. The next prime is 126777023. The reversal of 126776992 is 299677621.

It can be written as a sum of positive squares in only one way, i.e., 65999376 + 60777616 = 8124^2 + 7796^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1980859 + ... + 1980922.

Almost surely, 2^126776992 is an apocalyptic number.

It is an amenable number.

126776992 is a deficient number, since it is larger than the sum of its proper divisors (122815274).

126776992 is an equidigital number, since it uses as much as digits as its factorization.

126776992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961791 (or 3961783 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

The square root of 126776992 is about 11259.5289421894. The cubic root of 126776992 is about 502.3581831261.

The spelling of 126776992 in words is "one hundred twenty-six million, seven hundred seventy-six thousand, nine hundred ninety-two".