1127521079 has 2 divisors, whose sum is σ = 1127521080. Its totient is φ = 1127521078.

The previous prime is 1127521063. The next prime is 1127521127. The reversal of 1127521079 is 9701257211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1127521079 - 2⁴ = 1127521063 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1127551079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563760539 + 563760540.

It is an arithmetic number, because the mean of its divisors is an integer number (563760540).

Almost surely, 2^1127521079 is an apocalyptic number.

1127521079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127521079 is an equidigital number, since it uses as much as digits as its factorization.

1127521079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 1127521079 is about 33578.5806579135. The cubic root of 1127521079 is about 1040.8182290483.

The spelling of 1127521079 in words is "one billion, one hundred twenty-seven million, five hundred twenty-one thousand, seventy-nine".