1126429501 has 2 divisors, whose sum is σ = 1126429502. Its totient is φ = 1126429500.

The previous prime is 1126429489. The next prime is 1126429523. The reversal of 1126429501 is 1059246211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576480100 + 549949401 = 24010^2 + 23451^2 .

It is an emirp because it is prime and its reverse (1059246211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1126429501 - 2⁷ = 1126429373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126429561) 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 as a sum of consecutive naturals, namely, 563214750 + 563214751.

It is an arithmetic number, because the mean of its divisors is an integer number (563214751).

Almost surely, 2^1126429501 is an apocalyptic number.

It is an amenable number.

1126429501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126429501 is an equidigital number, since it uses as much as digits as its factorization.

1126429501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1126429501 is about 33562.3226401273. The cubic root of 1126429501 is about 1040.4822409123.

The spelling of 1126429501 in words is "one billion, one hundred twenty-six million, four hundred twenty-nine thousand, five hundred one".