126051147 has 12 divisors (see below), whose sum is σ = 188817720. Its totient is φ = 84033936.

The previous prime is 126051137. The next prime is 126051157. The reversal of 126051147 is 741150621.

It is a happy number.

126051147 is a `hidden beast` number, since 1 + 2 + 605 + 11 + 47 = 666.

It is an interprime number because it is at equal distance from previous prime (126051137) and next prime (126051157).

It is not a de Polignac number, because 126051147 - 2⁶ = 126051083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 126051147.

It is not an unprimeable number, because it can be changed into a prime (126051137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259122 + ... + 259607.

It is an arithmetic number, because the mean of its divisors is an integer number (15734810).

Almost surely, 2^126051147 is an apocalyptic number.

126051147 is a deficient number, since it is larger than the sum of its proper divisors (62766573).

126051147 is an frugal number, since it uses more digits than its factorization.

126051147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518744 (or 518732 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 126051147 is about 11227.2501976219. The cubic root of 126051147 is about 501.3976190155.

The spelling of 126051147 in words is "one hundred twenty-six million, fifty-one thousand, one hundred forty-seven".