1072990057 has 2 divisors, whose sum is σ = 1072990058. Its totient is φ = 1072990056.

The previous prime is 1072990033. The next prime is 1072990099. The reversal of 1072990057 is 7500992701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 881139856 + 191850201 = 29684^2 + 13851^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072990057 - 2¹¹ = 1072988009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1072990007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536495028 + 536495029.

It is an arithmetic number, because the mean of its divisors is an integer number (536495029).

Almost surely, 2^1072990057 is an apocalyptic number.

It is an amenable number.

1072990057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072990057 is an equidigital number, since it uses as much as digits as its factorization.

1072990057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 1072990057 is about 32756.5269373907. The cubic root of 1072990057 is about 1023.7609639120.

The spelling of 1072990057 in words is "one billion, seventy-two million, nine hundred ninety thousand, fifty-seven".