126904835 has 4 divisors (see below), whose sum is σ = 152285808. Its totient is φ = 101523864.

The previous prime is 126904831. The next prime is 126904837. The reversal of 126904835 is 538409621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538409621 = 29 ⋅18565849.

It is a cyclic number.

It is not a de Polignac number, because 126904835 - 2² = 126904831 is a prime.

It is a super-2 number, since 2×126904835² = 32209674292754450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126904831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12690479 + ... + 12690488.

It is an arithmetic number, because the mean of its divisors is an integer number (38071452).

Almost surely, 2^126904835 is an apocalyptic number.

126904835 is a deficient number, since it is larger than the sum of its proper divisors (25380973).

126904835 is an equidigital number, since it uses as much as digits as its factorization.

126904835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25380972.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 126904835 is about 11265.2046142092. The cubic root of 126904835 is about 502.5269871565.

The spelling of 126904835 in words is "one hundred twenty-six million, nine hundred four thousand, eight hundred thirty-five".