126873635 has 64 divisors (see below), whose sum is σ = 196411392. Its totient is φ = 76640256.

The previous prime is 126873623. The next prime is 126873689. The reversal of 126873635 is 536378621.

It is not a de Polignac number, because 126873635 - 2²⁰ = 125825059 is a prime.

It is a super-2 number, since 2×126873635² = 32193838516226450, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (181440) is a multiple of the sum of its prime divisors (252).

It is a junction number, because it is equal to n+sod(n) for n = 126873592 and 126873601.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 998942 + ... + 999068.

It is an arithmetic number, because the mean of its divisors is an integer number (3068928).

Almost surely, 2^126873635 is an apocalyptic number.

126873635 is a deficient number, since it is larger than the sum of its proper divisors (69537757).

126873635 is a wasteful number, since it uses less digits than its factorization.

126873635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252.

The product of its digits is 181440, while the sum is 41.

The square root of 126873635 is about 11263.8197339979. The cubic root of 126873635 is about 502.4858011054.

The spelling of 126873635 in words is "one hundred twenty-six million, eight hundred seventy-three thousand, six hundred thirty-five".