1121042297 has 2 divisors, whose sum is σ = 1121042298. Its totient is φ = 1121042296.

The previous prime is 1121042291. The next prime is 1121042327. The reversal of 1121042297 is 7922401211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104631696 + 16410601 = 33236^2 + 4051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121042297 - 2⁶ = 1121042233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121042291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560521148 + 560521149.

It is an arithmetic number, because the mean of its divisors is an integer number (560521149).

Almost surely, 2^1121042297 is an apocalyptic number.

It is an amenable number.

1121042297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121042297 is an equidigital number, since it uses as much as digits as its factorization.

1121042297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1121042297 is about 33481.9697299905. The cubic root of 1121042297 is about 1038.8208705495.

The spelling of 1121042297 in words is "one billion, one hundred twenty-one million, forty-two thousand, two hundred ninety-seven".