1121300129 has 2 divisors, whose sum is σ = 1121300130. Its totient is φ = 1121300128.

The previous prime is 1121300107. The next prime is 1121300149. The reversal of 1121300129 is 9210031211.

It is an a-pointer prime, because the next prime (1121300149) can be obtained adding 1121300129 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 860542225 + 260757904 = 29335^2 + 16148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121300129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121300129.

It is not a weakly prime, because it can be changed into another prime (1121300149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560650064 + 560650065.

It is an arithmetic number, because the mean of its divisors is an integer number (560650065).

Almost surely, 2^1121300129 is an apocalyptic number.

It is an amenable number.

1121300129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121300129 is an equidigital number, since it uses as much as digits as its factorization.

1121300129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1121300129 is about 33485.8198197386. The cubic root of 1121300129 is about 1038.9005049909.

The spelling of 1121300129 in words is "one billion, one hundred twenty-one million, three hundred thousand, one hundred twenty-nine".