126463449 has 16 divisors (see below), whose sum is σ = 202849280. Its totient is φ = 68461200.

The previous prime is 126463439. The next prime is 126463471. The reversal of 126463449 is 944364621.

It is not a de Polignac number, because 126463449 - 2¹⁷ = 126332377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126463439) 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, 158077 + ... + 158874.

It is an arithmetic number, because the mean of its divisors is an integer number (12678080).

Almost surely, 2^126463449 is an apocalyptic number.

126463449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

126463449 is a deficient number, since it is larger than the sum of its proper divisors (76385831).

126463449 is a wasteful number, since it uses less digits than its factorization.

126463449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316980.

The product of its digits is 124416, while the sum is 39.

The square root of 126463449 is about 11245.5968716649. The cubic root of 126463449 is about 501.9436996060.

The spelling of 126463449 in words is "one hundred twenty-six million, four hundred sixty-three thousand, four hundred forty-nine".