1290126300 has 72 divisors (see below), whose sum is σ = 3737260800. Its totient is φ = 343619520.

The previous prime is 1290126263. The next prime is 1290126301. The reversal of 1290126300 is 36210921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290126301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309631 + ... + 313769.

It is an arithmetic number, because the mean of its divisors is an integer number (51906400).

Almost surely, 2^1290126300 is an apocalyptic number.

1290126300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1290126300 is an abundant number, since it is smaller than the sum of its proper divisors (2447134500).

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

1290126300 is a wasteful number, since it uses less digits than its factorization.

1290126300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195 (or 5188 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1290126300 is about 35918.3281904935. The cubic root of 1290126300 is about 1088.6227590552.

The spelling of 1290126300 in words is "one billion, two hundred ninety million, one hundred twenty-six thousand, three hundred".