1042211977 has 2 divisors, whose sum is σ = 1042211978. Its totient is φ = 1042211976.

The previous prime is 1042211957. The next prime is 1042212007. The reversal of 1042211977 is 7791122401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 787139136 + 255072841 = 28056^2 + 15971^2 .

It is an emirp because it is prime and its reverse (7791122401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042211977 - 2¹⁵ = 1042179209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042211917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521105988 + 521105989.

It is an arithmetic number, because the mean of its divisors is an integer number (521105989).

Almost surely, 2^1042211977 is an apocalyptic number.

It is an amenable number.

1042211977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042211977 is an equidigital number, since it uses as much as digits as its factorization.

1042211977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1042211977 is about 32283.3080244265. The cubic root of 1042211977 is about 1013.8771917426.

The spelling of 1042211977 in words is "one billion, forty-two million, two hundred eleven thousand, nine hundred seventy-seven".