126051505 has 8 divisors (see below), whose sum is σ = 151323624. Its totient is φ = 100800000.

The previous prime is 126051479. The next prime is 126051547. The reversal of 126051505 is 505150621.

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 125059489 = 996^2 + 11183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-126051505 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126051505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16855 + ... + 23155.

It is an arithmetic number, because the mean of its divisors is an integer number (18915453).

Almost surely, 2^126051505 is an apocalyptic number.

It is an amenable number.

126051505 is a deficient number, since it is larger than the sum of its proper divisors (25272119).

126051505 is an equidigital number, since it uses as much as digits as its factorization.

126051505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 126051505 is about 11227.2661409624. The cubic root of 126051505 is about 501.3980936910.

The spelling of 126051505 in words is "one hundred twenty-six million, fifty-one thousand, five hundred five".