126415449 has 6 divisors (see below), whose sum is σ = 182600106. Its totient is φ = 84276960.

The previous prime is 126415433. The next prime is 126415459. The reversal of 126415449 is 944514621.

126415449 is a `hidden beast` number, since 1 + 2 + 641 + 5 + 4 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 104960025 + 21455424 = 10245^2 + 4632^2 .

It is not a de Polignac number, because 126415449 - 2⁴ = 126415433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126415459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7023072 + ... + 7023089.

It is an arithmetic number, because the mean of its divisors is an integer number (30433351).

Almost surely, 2^126415449 is an apocalyptic number.

It is an amenable number.

126415449 is a deficient number, since it is larger than the sum of its proper divisors (56184657).

126415449 is a wasteful number, since it uses less digits than its factorization.

126415449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14046167 (or 14046164 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 126415449 is about 11243.4625004933. The cubic root of 126415449 is about 501.8801862703.

The spelling of 126415449 in words is "one hundred twenty-six million, four hundred fifteen thousand, four hundred forty-nine".