126772837 has 2 divisors, whose sum is σ = 126772838. Its totient is φ = 126772836.

The previous prime is 126772831. The next prime is 126772871. The reversal of 126772837 is 738277621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115476516 + 11296321 = 10746^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 126772837 - 2³ = 126772829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126772793 and 126772802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126772831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63386418 + 63386419.

It is an arithmetic number, because the mean of its divisors is an integer number (63386419).

Almost surely, 2^126772837 is an apocalyptic number.

It is an amenable number.

126772837 is a deficient number, since it is larger than the sum of its proper divisors (1).

126772837 is an equidigital number, since it uses as much as digits as its factorization.

126772837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The square root of 126772837 is about 11259.3444302943. The cubic root of 126772837 is about 502.3526949561.

The spelling of 126772837 in words is "one hundred twenty-six million, seven hundred seventy-two thousand, eight hundred thirty-seven".