126609151 has 2 divisors, whose sum is σ = 126609152. Its totient is φ = 126609150.

The previous prime is 126609143. The next prime is 126609187. The reversal of 126609151 is 151906621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126609151 - 2³ = 126609143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126609101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63304575 + 63304576.

It is an arithmetic number, because the mean of its divisors is an integer number (63304576).

Almost surely, 2^126609151 is an apocalyptic number.

126609151 is a deficient number, since it is larger than the sum of its proper divisors (1).

126609151 is an equidigital number, since it uses as much as digits as its factorization.

126609151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 126609151 is about 11252.0731867510. The cubic root of 126609151 is about 502.1363933127.

The spelling of 126609151 in words is "one hundred twenty-six million, six hundred nine thousand, one hundred fifty-one".