1121250803 has 2 divisors, whose sum is σ = 1121250804. Its totient is φ = 1121250802.

The previous prime is 1121250799. The next prime is 1121250817. The reversal of 1121250803 is 3080521211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121250803 - 2² = 1121250799 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121250833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560625401 + 560625402.

It is an arithmetic number, because the mean of its divisors is an integer number (560625402).

Almost surely, 2^1121250803 is an apocalyptic number.

1121250803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121250803 is an equidigital number, since it uses as much as digits as its factorization.

1121250803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1121250803 is about 33485.0832909222. The cubic root of 1121250803 is about 1038.8852710209.

The spelling of 1121250803 in words is "one billion, one hundred twenty-one million, two hundred fifty thousand, eight hundred three".