1121010139 has 2 divisors, whose sum is σ = 1121010140. Its totient is φ = 1121010138.

The previous prime is 1121010103. The next prime is 1121010161. The reversal of 1121010139 is 9310101211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121010139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121010239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560505069 + 560505070.

It is an arithmetic number, because the mean of its divisors is an integer number (560505070).

Almost surely, 2^1121010139 is an apocalyptic number.

1121010139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121010139 is an equidigital number, since it uses as much as digits as its factorization.

1121010139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1121010139 is about 33481.4894979300. The cubic root of 1121010139 is about 1038.8109373171.

The spelling of 1121010139 in words is "one billion, one hundred twenty-one million, ten thousand, one hundred thirty-nine".