126865827 has 24 divisors (see below), whose sum is σ = 200339568. Its totient is φ = 76723200.

The previous prime is 126865819. The next prime is 126865877. The reversal of 126865827 is 728568621.

126865827 is a `hidden beast` number, since 1 + 2 + 68 + 6 + 582 + 7 = 666.

It is not a de Polignac number, because 126865827 - 2³ = 126865819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126865877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57627 + ... + 59787.

It is an arithmetic number, because the mean of its divisors is an integer number (8347482).

Almost surely, 2^126865827 is an apocalyptic number.

126865827 is a deficient number, since it is larger than the sum of its proper divisors (73473741).

126865827 is a wasteful number, since it uses less digits than its factorization.

126865827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771 (or 2768 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 126865827 is about 11263.4731322093. The cubic root of 126865827 is about 502.4754929757.

The spelling of 126865827 in words is "one hundred twenty-six million, eight hundred sixty-five thousand, eight hundred twenty-seven".