126211797 has 16 divisors (see below), whose sum is σ = 190152000. Its totient is φ = 82714032.

The previous prime is 126211783. The next prime is 126211807. The reversal of 126211797 is 797112621.

It is a happy number.

126211797 is a `hidden beast` number, since 12 + 621 + 17 + 9 + 7 = 666.

It is not a de Polignac number, because 126211797 - 2⁴ = 126211781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126211717) 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, 38022 + ... + 41207.

It is an arithmetic number, because the mean of its divisors is an integer number (11884500).

Almost surely, 2^126211797 is an apocalyptic number.

It is an amenable number.

126211797 is a deficient number, since it is larger than the sum of its proper divisors (63940203).

126211797 is an equidigital number, since it uses as much as digits as its factorization.

126211797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79297 (or 79291 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 126211797 is about 11234.4023873102. The cubic root of 126211797 is about 501.6105361103.

The spelling of 126211797 in words is "one hundred twenty-six million, two hundred eleven thousand, seven hundred ninety-seven".