126115545 has 16 divisors (see below), whose sum is σ = 203026752. Its totient is φ = 66847680.

The previous prime is 126115543. The next prime is 126115547. The reversal of 126115545 is 545511621.

It is an interprime number because it is at equal distance from previous prime (126115543) and next prime (126115547).

It is not a de Polignac number, because 126115545 - 2¹ = 126115543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126115543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23346 + ... + 28235.

It is an arithmetic number, because the mean of its divisors is an integer number (12689172).

Almost surely, 2^126115545 is an apocalyptic number.

126115545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126115545 is a deficient number, since it is larger than the sum of its proper divisors (76911207).

126115545 is a wasteful number, since it uses less digits than its factorization.

126115545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51752.

The product of its digits is 6000, while the sum is 30.

The square root of 126115545 is about 11230.1177642979. The cubic root of 126115545 is about 501.4829904633.

The spelling of 126115545 in words is "one hundred twenty-six million, one hundred fifteen thousand, five hundred forty-five".