126609845 has 32 divisors (see below), whose sum is σ = 162860544. Its totient is φ = 94348800.

The previous prime is 126609839. The next prime is 126609851. The reversal of 126609845 is 548906621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126609839) and next prime (126609851).

It is not a de Polignac number, because 126609845 - 2⁶ = 126609781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 467060 + ... + 467330.

It is an arithmetic number, because the mean of its divisors is an integer number (5089392).

Almost surely, 2^126609845 is an apocalyptic number.

It is an amenable number.

126609845 is a deficient number, since it is larger than the sum of its proper divisors (36250699).

126609845 is a wasteful number, since it uses less digits than its factorization.

126609845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 126609845 is about 11252.1040254701. The cubic root of 126609845 is about 502.1373107873.

The spelling of 126609845 in words is "one hundred twenty-six million, six hundred nine thousand, eight hundred forty-five".