126948865 has 4 divisors (see below), whose sum is σ = 152338644. Its totient is φ = 101559088.

The previous prime is 126948859. The next prime is 126948883. The reversal of 126948865 is 568849621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21455424 + 105493441 = 4632^2 + 10271^2 .

It is a cyclic number.

It is not a de Polignac number, because 126948865 - 2¹¹ = 126946817 is a prime.

It is a super-2 number, since 2×126948865² = 32232028649576450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12694882 + ... + 12694891.

It is an arithmetic number, because the mean of its divisors is an integer number (38084661).

Almost surely, 2^126948865 is an apocalyptic number.

It is an amenable number.

126948865 is a deficient number, since it is larger than the sum of its proper divisors (25389779).

126948865 is an equidigital number, since it uses as much as digits as its factorization.

126948865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25389778.

The product of its digits is 829440, while the sum is 49.

The square root of 126948865 is about 11267.1586924122. The cubic root of 126948865 is about 502.5850981676.

The spelling of 126948865 in words is "one hundred twenty-six million, nine hundred forty-eight thousand, eight hundred sixty-five".