126429252682 has 4 divisors (see below), whose sum is σ = 189643879026. Its totient is φ = 63214626340.

The previous prime is 126429252661. The next prime is 126429252727. The reversal of 126429252682 is 286252924621.

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

It can be written as a sum of positive squares in only one way, i.e., 94015211161 + 32414041521 = 306619^2 + 180039^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31607313169 + ... + 31607313172.

Almost surely, 2^126429252682 is an apocalyptic number.

126429252682 is a deficient number, since it is larger than the sum of its proper divisors (63214626344).

126429252682 is an equidigital number, since it uses as much as digits as its factorization.

126429252682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63214626343.

The product of its digits is 1658880, while the sum is 49.

The spelling of 126429252682 in words is "one hundred twenty-six billion, four hundred twenty-nine million, two hundred fifty-two thousand, six hundred eighty-two".