126407155 has 24 divisors (see below), whose sum is σ = 184170528. Its totient is φ = 81573888.

The previous prime is 126407129. The next prime is 126407159. The reversal of 126407155 is 551704621.

It is not a de Polignac number, because 126407155 - 2¹¹ = 126405107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126407159) 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, 3867 + ... + 16363.

It is an arithmetic number, because the mean of its divisors is an integer number (7673772).

Almost surely, 2^126407155 is an apocalyptic number.

126407155 is a deficient number, since it is larger than the sum of its proper divisors (57763373).

126407155 is a wasteful number, since it uses less digits than its factorization.

126407155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12543 (or 12526 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 126407155 is about 11243.0936578862. The cubic root of 126407155 is about 501.8692100662.

The spelling of 126407155 in words is "one hundred twenty-six million, four hundred seven thousand, one hundred fifty-five".