1128117479 has 2 divisors, whose sum is σ = 1128117480. Its totient is φ = 1128117478.

The previous prime is 1128117451. The next prime is 1128117499. The reversal of 1128117479 is 9747118211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1128117479 - 2¹⁶ = 1128051943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128117499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564058739 + 564058740.

It is an arithmetic number, because the mean of its divisors is an integer number (564058740).

Almost surely, 2^1128117479 is an apocalyptic number.

1128117479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128117479 is an equidigital number, since it uses as much as digits as its factorization.

1128117479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 41.

The square root of 1128117479 is about 33587.4601451196. The cubic root of 1128117479 is about 1041.0017096024.

The spelling of 1128117479 in words is "one billion, one hundred twenty-eight million, one hundred seventeen thousand, four hundred seventy-nine".