126690147 has 6 divisors (see below), whose sum is σ = 182996892. Its totient is φ = 84460092.

The previous prime is 126690133. The next prime is 126690163. The reversal of 126690147 is 741096621.

It is not a de Polignac number, because 126690147 - 2⁷ = 126690019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126690127) 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, 7038333 + ... + 7038350.

It is an arithmetic number, because the mean of its divisors is an integer number (30499482).

Almost surely, 2^126690147 is an apocalyptic number.

126690147 is a deficient number, since it is larger than the sum of its proper divisors (56306745).

126690147 is a wasteful number, since it uses less digits than its factorization.

126690147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14076689 (or 14076686 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 126690147 is about 11255.6717702676. The cubic root of 126690147 is about 502.2434481588.

The spelling of 126690147 in words is "one hundred twenty-six million, six hundred ninety thousand, one hundred forty-seven".