126228001251 has 8 divisors (see below), whose sum is σ = 183604365504. Its totient is φ = 76501818920.

The previous prime is 126228001243. The next prime is 126228001267. The reversal of 126228001251 is 152100822621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126228001251 - 2³ = 126228001243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126228001451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912545441 + ... + 1912545506.

It is an arithmetic number, because the mean of its divisors is an integer number (22950545688).

Almost surely, 2^126228001251 is an apocalyptic number.

126228001251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

126228001251 is a deficient number, since it is larger than the sum of its proper divisors (57376364253).

126228001251 is a wasteful number, since it uses less digits than its factorization.

126228001251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825090961.

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 126228001251 its reverse (152100822621), we get a palindrome (278328823872).

The spelling of 126228001251 in words is "one hundred twenty-six billion, two hundred twenty-eight million, one thousand, two hundred fifty-one".