126699802 has 4 divisors (see below), whose sum is σ = 190049706. Its totient is φ = 63349900.

The previous prime is 126699791. The next prime is 126699863. The reversal of 126699802 is 208996621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208996621 = 229 ⋅912649.

It can be written as a sum of positive squares in only one way, i.e., 100781521 + 25918281 = 10039^2 + 5091^2 .

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 as a sum of consecutive naturals, namely, 31674949 + ... + 31674952.

Almost surely, 2^126699802 is an apocalyptic number.

126699802 is a deficient number, since it is larger than the sum of its proper divisors (63349904).

126699802 is an equidigital number, since it uses as much as digits as its factorization.

126699802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63349903.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 126699802 is about 11256.1006569771. The cubic root of 126699802 is about 502.2562064183.

The spelling of 126699802 in words is "one hundred twenty-six million, six hundred ninety-nine thousand, eight hundred two".