126948638 has 16 divisors (see below), whose sum is σ = 199933056. Its totient is φ = 60338520.

The previous prime is 126948559. The next prime is 126948641. The reversal of 126948638 is 836849621.

It is a super-2 number, since 2×126948638² = 32231913380110088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126948592 and 126948601.

It is a congruent number.

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, 968 + ... + 15963.

It is an arithmetic number, because the mean of its divisors is an integer number (12495816).

Almost surely, 2^126948638 is an apocalyptic number.

126948638 is a deficient number, since it is larger than the sum of its proper divisors (72984418).

126948638 is a wasteful number, since it uses less digits than its factorization.

126948638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17119.

The product of its digits is 497664, while the sum is 47.

The square root of 126948638 is about 11267.1486188831. The cubic root of 126948638 is about 502.5847986063.

The spelling of 126948638 in words is "one hundred twenty-six million, nine hundred forty-eight thousand, six hundred thirty-eight".