126264015265 has 8 divisors (see below), whose sum is σ = 153016985448. Its totient is φ = 100011100800.

The previous prime is 126264015259. The next prime is 126264015271. The reversal of 126264015265 is 562510462621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126264015259) and next prime (126264015271).

It can be written as a sum of positive squares in 4 ways, for example, as 34266452544 + 91997562721 = 185112^2 + 303311^2 .

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

It is not a de Polignac number, because 126264015265 - 2³ = 126264015257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125013372 + ... + 125014381.

It is an arithmetic number, because the mean of its divisors is an integer number (19127123181).

Almost surely, 2^126264015265 is an apocalyptic number.

It is an amenable number.

126264015265 is a deficient number, since it is larger than the sum of its proper divisors (26752970183).

126264015265 is a wasteful number, since it uses less digits than its factorization.

126264015265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250027859.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 126264015265 its reverse (562510462621), we get a palindrome (688774477886).

The spelling of 126264015265 in words is "one hundred twenty-six billion, two hundred sixty-four million, fifteen thousand, two hundred sixty-five".