126651245 has 32 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 81815616.

The previous prime is 126651227. The next prime is 126651247. The reversal of 126651245 is 542156621.

It is a cyclic number.

It is not a de Polignac number, because 126651245 - 2⁶ = 126651181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126651247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150536 + ... + 151374.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^126651245 is an apocalyptic number.

It is an amenable number.

126651245 is a deficient number, since it is larger than the sum of its proper divisors (57207955).

126651245 is a wasteful number, since it uses less digits than its factorization.

126651245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its digits is 14400, while the sum is 32.

The square root of 126651245 is about 11253.9435310472. The cubic root of 126651245 is about 502.1920359134.

The spelling of 126651245 in words is "one hundred twenty-six million, six hundred fifty-one thousand, two hundred forty-five".