1072042061 has 2 divisors, whose sum is σ = 1072042062. Its totient is φ = 1072042060.

The previous prime is 1072042039. The next prime is 1072042063. The reversal of 1072042061 is 1602402701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582305161 + 489736900 = 24131^2 + 22130^2 .

It is an emirp because it is prime and its reverse (1602402701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1072042061 - 2¹⁴ = 1072025677 is a prime.

It is a super-2 number, since 2×1072042061² = 2298548361106255442, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1072042063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072042063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536021030 + 536021031.

It is an arithmetic number, because the mean of its divisors is an integer number (536021031).

Almost surely, 2^1072042061 is an apocalyptic number.

It is an amenable number.

1072042061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072042061 is an equidigital number, since it uses as much as digits as its factorization.

1072042061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1072042061 is about 32742.0534023143. The cubic root of 1072042061 is about 1023.4593745188.

Adding to 1072042061 its reverse (1602402701), we get a palindrome (2674444762).

The spelling of 1072042061 in words is "one billion, seventy-two million, forty-two thousand, sixty-one".