1074231661 has 2 divisors, whose sum is σ = 1074231662. Its totient is φ = 1074231660.

The previous prime is 1074231643. The next prime is 1074231673. The reversal of 1074231661 is 1661324701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746983561 + 327248100 = 27331^2 + 18090^2 .

It is an emirp because it is prime and its reverse (1661324701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1074231661 - 2¹¹ = 1074229613 is a prime.

It is a super-2 number, since 2×1074231661² = 2307947322989637842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074241661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537115830 + 537115831.

It is an arithmetic number, because the mean of its divisors is an integer number (537115831).

Almost surely, 2^1074231661 is an apocalyptic number.

It is an amenable number.

1074231661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074231661 is an equidigital number, since it uses as much as digits as its factorization.

1074231661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1074231661 is about 32775.4734672133. The cubic root of 1074231661 is about 1024.1556913158.

The spelling of 1074231661 in words is "one billion, seventy-four million, two hundred thirty-one thousand, six hundred sixty-one".