126413197 has 4 divisors (see below), whose sum is σ = 127833660. Its totient is φ = 124992736.

The previous prime is 126413191. The next prime is 126413219. The reversal of 126413197 is 791314621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7733961 + 118679236 = 2781^2 + 10894^2 .

It is a cyclic number.

It is not a de Polignac number, because 126413197 - 2¹⁹ = 125888909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126413191) 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, 710098 + ... + 710275.

It is an arithmetic number, because the mean of its divisors is an integer number (31958415).

Almost surely, 2^126413197 is an apocalyptic number.

It is an amenable number.

126413197 is a deficient number, since it is larger than the sum of its proper divisors (1420463).

126413197 is an equidigital number, since it uses as much as digits as its factorization.

126413197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420462.

The product of its digits is 9072, while the sum is 34.

The square root of 126413197 is about 11243.3623529619. The cubic root of 126413197 is about 501.8772060415.

The spelling of 126413197 in words is "one hundred twenty-six million, four hundred thirteen thousand, one hundred ninety-seven".