1124121431977 has 2 divisors, whose sum is σ = 1124121431978. Its totient is φ = 1124121431976.

The previous prime is 1124121431933. The next prime is 1124121432041. The reversal of 1124121431977 is 7791341214211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 840566246976 + 283555185001 = 916824^2 + 532499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124121431977 - 2¹¹ = 1124121429929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1124121131977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562060715988 + 562060715989.

It is an arithmetic number, because the mean of its divisors is an integer number (562060715989).

Almost surely, 2^{1124121431977} is an apocalyptic number.

It is an amenable number.

1124121431977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124121431977 is an equidigital number, since it uses as much as digits as its factorization.

1124121431977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 43.

The spelling of 1124121431977 in words is "one trillion, one hundred twenty-four billion, one hundred twenty-one million, four hundred thirty-one thousand, nine hundred seventy-seven".