1042158077 has 2 divisors, whose sum is σ = 1042158078. Its totient is φ = 1042158076.

The previous prime is 1042158071. The next prime is 1042158107. The reversal of 1042158077 is 7708512401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808037476 + 234120601 = 28426^2 + 15301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042158077 - 2²⁰ = 1041109501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042158071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521079038 + 521079039.

It is an arithmetic number, because the mean of its divisors is an integer number (521079039).

Almost surely, 2^1042158077 is an apocalyptic number.

It is an amenable number.

1042158077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042158077 is an equidigital number, since it uses as much as digits as its factorization.

1042158077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 1042158077 is about 32282.4732169021. The cubic root of 1042158077 is about 1013.8597132372.

The spelling of 1042158077 in words is "one billion, forty-two million, one hundred fifty-eight thousand, seventy-seven".