126400151278 has 4 divisors (see below), whose sum is σ = 189600226920. Its totient is φ = 63200075638.

The previous prime is 126400151263. The next prime is 126400151309. The reversal of 126400151278 is 872151004621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31600037818 + ... + 31600037821.

It is an arithmetic number, because the mean of its divisors is an integer number (47400056730).

Almost surely, 2^126400151278 is an apocalyptic number.

126400151278 is a deficient number, since it is larger than the sum of its proper divisors (63200075642).

126400151278 is an equidigital number, since it uses as much as digits as its factorization.

126400151278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63200075641.

The product of its (nonzero) digits is 26880, while the sum is 37.

Adding to 126400151278 its reverse (872151004621), we get a palindrome (998551155899).

The spelling of 126400151278 in words is "one hundred twenty-six billion, four hundred million, one hundred fifty-one thousand, two hundred seventy-eight".