1120019977 has 2 divisors, whose sum is σ = 1120019978. Its totient is φ = 1120019976.

The previous prime is 1120019939. The next prime is 1120020023. The reversal of 1120019977 is 7799100211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1099850896 + 20169081 = 33164^2 + 4491^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120019977 - 2²³ = 1111631369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1120019777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560009988 + 560009989.

It is an arithmetic number, because the mean of its divisors is an integer number (560009989).

Almost surely, 2^1120019977 is an apocalyptic number.

It is an amenable number.

1120019977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120019977 is an equidigital number, since it uses as much as digits as its factorization.

1120019977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 37.

The square root of 1120019977 is about 33466.6995235562. The cubic root of 1120019977 is about 1038.5049947653.

The spelling of 1120019977 in words is "one billion, one hundred twenty million, nineteen thousand, nine hundred seventy-seven".