126228001250 has 90 divisors (see below), whose sum is σ = 256533779007. Its totient is φ = 46546968000.

The previous prime is 126228001243. The next prime is 126228001267. The reversal of 126228001250 is 52100822621.

It can be written as a sum of positive squares in 23 ways, for example, as 105298303009 + 20929698241 = 324497^2 + 144671^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=251225.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 163295864 + ... + 163296636.

Almost surely, 2^126228001250 is an apocalyptic number.

126228001250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126228001250 is an abundant number, since it is smaller than the sum of its proper divisors (130305777757).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126228001250 is an frugal number, since it uses more digits than its factorization.

126228001250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 126228001250 its reverse (52100822621), we get a palindrome (178328823871).

The spelling of 126228001250 in words is "one hundred twenty-six billion, two hundred twenty-eight million, one thousand, two hundred fifty".