126479897 has 4 divisors (see below), whose sum is σ = 128261376. Its totient is φ = 124698420.

The previous prime is 126479891. The next prime is 126479911. The reversal of 126479897 is 798974621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126479897 - 2¹⁰ = 126478873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126479891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890633 + ... + 890774.

It is an arithmetic number, because the mean of its divisors is an integer number (32065344).

Almost surely, 2^126479897 is an apocalyptic number.

It is an amenable number.

126479897 is a deficient number, since it is larger than the sum of its proper divisors (1781479).

126479897 is an equidigital number, since it uses as much as digits as its factorization.

126479897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781478.

The product of its digits is 1524096, while the sum is 53.

The square root of 126479897 is about 11246.3281563362. The cubic root of 126479897 is about 501.9654598119.

The spelling of 126479897 in words is "one hundred twenty-six million, four hundred seventy-nine thousand, eight hundred ninety-seven".