126863477 has 4 divisors (see below), whose sum is σ = 136622220. Its totient is φ = 117104736.

The previous prime is 126863467. The next prime is 126863479. The reversal of 126863477 is 774368621.

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 5885476 + 120978001 = 2426^2 + 10999^2 .

It is a cyclic number.

It is not a de Polignac number, because 126863477 - 2¹⁰ = 126862453 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 (126863479) 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, 4879352 + ... + 4879377.

It is an arithmetic number, because the mean of its divisors is an integer number (34155555).

Almost surely, 2^126863477 is an apocalyptic number.

It is an amenable number.

126863477 is a deficient number, since it is larger than the sum of its proper divisors (9758743).

126863477 is an equidigital number, since it uses as much as digits as its factorization.

126863477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9758742.

The product of its digits is 338688, while the sum is 44.

The square root of 126863477 is about 11263.3688122160. The cubic root of 126863477 is about 502.4723904205.

The spelling of 126863477 in words is "one hundred twenty-six million, eight hundred sixty-three thousand, four hundred seventy-seven".